Class 8 Mathematics MCQ Exponents And Powers

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NCERT Class 8 Mathematics MCQ
Exponents And Powers with Answers

Question :a^m x a^m is equal to
(a) a^m+n
(b) a^m-n
(c) a^mn
(d) a^n-m

Show Answer :

Answer : (a) a^m+n
Hint:
Formula

Question :a^m ÷ aⁿ is equal to
(a) a^m-n
(b) a^m+n
(c) a^mn
(d) a^n-m

Show Answer :

Answer : (a) a^m-n
Hint:
Formula

Question :(a^m)ⁿ is equal to
(a) a^m+n
(b) a^m-n
(c) a^mn
(d) a^n-m

Show Answer :

Answer : (c) a^mn
Hint:
Formula

Question :a^m × b^m is equal to
(a) (ab)^m
(b) (ab)^-m
(c) a^m b
(d) ab^m

Show Answer :

Answer : (a) (ab)^m
Hint:
Formula

Question :a⁰ is equal to
(a) 0
(b) 1
(c) -1
(d) a.

Show Answer :

Answer : (b) 1
Hint:
Formula

Question : $\frac{a^m}{b^m}$ is equal to bm
(a) ( $\frac{a}{b}$ )^m
(b) ( $\frac{b}{a}$ )^m
(c) ( $\frac{a^m}{b}$ )^m
(d) ( $\frac{a}{b^m}$ )^m

Show Answer :

Answer : (a) ( $\frac{a}{b}$ )^m
Hint:
Formula

Question :2 × 2 × 2 × 2 × 2 is equal to
(a) 2⁴
(b) 2³
(c) 2²
(d) 2⁵

Show Answer :

Answer : (d) 2⁵
Hint:
Formula

Question :In 10², the exponent is
(a) 1
(b) 2
(c) 10
(d) 1.

Show Answer :

Answer : (b) 2
Hint:
Definition of exponent

Question :In 10² the base is
(a) 1
(b) 0
(c) 10
(d) 100.

Show Answer :

Answer : (c) 10
Hint:
Definition of base

Question :10^-1 is equal to
(a) 10
(b) -1
(c) $\frac{1}{10}$
(d) – $\frac{1}{10}$

Show Answer :

Answer : (c) $\frac{1}{10}$
Hint:
10^-1 = $\frac{1}{10^1}$ = $\frac{1}{10}$

Question :The multiplicative inverse of 2-3 is
(a) 2
(b) 3
(c) 3
(d) 23

Show Answer :

Answer : (d) 23
Hint:
2^-3. 2³ = 2^-3+3 = 2⁰ = 1

Question :The multiplicative inverse of 10⁵ is
(a) 5
(b) 10
(c) 10^-5
(d) 10⁵.

Show Answer :

Answer : (c) 10^-5
Hint:
10⁵. 10^-5 = 2^5-5 = 10⁰ = 1

Question :The multiplicative inverse of $\frac{1}{2^2}$ is 22
(a) 2⁵
(b) 2²
(c) 2
(d) 1.

Show Answer :

Answer : (b) 2²
Hint:
$\frac{1}{2^2}$ = 2² = 1

Question :The multiplicative inverse of 10¹⁰ is
(a) 10
(b) $\frac{1}{10}$
(c) 10^-10
(d) 10¹⁰.

Show Answer :

Answer : (d) 10¹⁰
Hint:
10^-10.10¹⁰ = 10^-10+10 = 10⁰ = 1

Question :The multiplicative inverse of am is
(a) a
(b) m
(c) a^m
(d) a^-m

Show Answer :

Answer : (d) a^-m
Hint:
Definition of multiplicative inverse

Question :5³ × 5^-1 is equal to
(a) 5
(b) 5³
(c) 5^-1
(d) 5²

Show Answer :

Answer : (d) 5²
Hint:
5³ × 5^-1 = 5^3-1 = 5²

Question :(- 2)^-5 x (-2)⁶ is equal to
(a) 2
(b) -2
(c) -5
(d) 6.

Show Answer :

Answer : (b) -2
Hint:
(-2)^-5 × (-2)⁶ = (-2)^-5+6 = (-2)¹ = -2

Question :3² × 3^-4 × 3⁵ is equal to
(a) 3
(b) 3²
(c) 3³
(d) 3⁵

Show Answer :

Answer : (c) 3³
Hint:
3² × 3^-4 × 3⁵ = 3^2-4+5 = 3³

Question :(-2)^-2 is equal to
(a) $\frac{1}{4}$
(b) $\frac{1}{2}$
(c) – $\frac{1}{2}$
(d) – $\frac{1}{4}$

Show Answer :

Answer : (a) $\frac{1}{4}$
Hint:
(-2)^-2 = $\frac{1}{(-2)^2}$ = $\frac{1}{4}$

Question :( $\frac{1}{2}$ )^-4 is equal to
(a) 2
(b) 2^-4
(c) 1
(d) 2^-4

Show Answer :

Answer : (b) 2^-4
Hint:
( $\frac{1}{2}$ )^-4 = $\frac{(1)^{-4}}{(2)^{-4}}$ = $\frac{1}{(2)^{-4}}$ = 2⁴

Question :(2° + 4^-1) × 2² is equal to
(a) 2
(b) 3
(c) 4
(d) 5

Show Answer :

Answer : (d) 5
Hint:
(2⁰ + 4^-1) × 2² = (1 + $\frac{1}{4}$ ) × 4 = $\frac{5}{4}$ × 4 = 5

Question :(2^-1 + 3^-1 + 5^-1)⁰ is equal to
(a) 2
(b) 3
(c) 5
(d) 1.

Show Answer :

Answer : (d) 1
Hint:
(2^-1 + 3^-1 + 5^-1)⁰ = 1 [∵ a⁰ = 1]

Question :3^m + 3^-3 = 3⁵ ⇒ m is equal to
(a) 1
(b) 2
(c) 3
(d) 4.

Show Answer :

Answer : (b) 2
Hint:
3^m + 3^-3= 3⁵ ⇒ 3^m+3 = 3⁵
⇒ m + 3 = 5 ⇒ m = 2

Question :(-2)^m+1 × (-2)⁴ = (-2)⁶ ⇒ m =
(a) 0
(b) 1
(c) -1
(d) none of these.

Show Answer :

Answer : (b) 1
Hint:
(-2)^m+1 × (-2)⁴ = (-2)⁶
⇒ (-2)^m+1+4 = (-2)⁶
⇒ m + 5 = 6 ⇒ m = 1

Question :(-1)⁵⁰ is equal to
(a) -1
(b) 1
(c) 50
(d) – 50.

Show Answer :

Answer : (b) 1
Hint:
(-1) ^{even natural number} = 1

Question :(-1)⁵¹ is equal to
(a) -1
(b) 1
(c) 51
(d) -51.

Show Answer :

Answer : (a) -1
Hint:
(-1) ^{odd natural number} = -1

Question :149600000000 is equal to
(a) 1.496 × 10¹¹
(b) 1.496 × 10¹⁰
(c) 1.496 × 10¹²
(d) 1.496 × 10⁸.

Show Answer :

Answer : (a) 1.496 × 10¹¹
Hint:
149,600,000,000 = 1.496 × 10¹¹

Question :300000000 is equal to
(a) 3 × 10⁸
(b) 3 × 10⁷
(c) 3 × 10⁶
(d) 3 × 10⁹

Show Answer :

Answer : (a) 3 × 10⁸
Hint:
300,000,000 = 3 × 10⁸

Question :0.000007 is equal to
(a) 7 × 10^-6
(b) 7 × 10^-5
(c) 7 × 10^-4
(d) 7 × 10^-3

Show Answer :

Answer : (a) 7 × 10^-6
Hint:
0.000007 = 7 × 10^-6

Question :384467000 is equal to
(a) 3.84467 × 10⁸
(b) 3.84467 × 10³
(c) 3.84467 × 10⁷
(d) 3.84467 × 10⁶

Show Answer :

Answer : (a) 3.84467 × 10⁸
Hint:
384467000 = 3.84467 × 10⁸

Question :0.00001275 is equal to
(a) 1.275 × 10^-5
(b) 1.275 × 10^-3
(c) 1.275 × 10⁴
(d) 1.275 × 10³

Show Answer :

Answer : (a) 1.275 × 10^-5
Hint:
0.00001275 = 1.275 × 10^-5

Question :695000 is equal to
(a) 6.95 × 10⁵
(b) 6.95 × 10³
(c) 6.95 × 10⁶
(d) 6.95 × 10⁴

Show Answer :

Answer : (a) 6.95 × 10⁵
Hint:
695000 = 6.95 × 10⁵

Question :503600 is equal to
(a) 5.036 × 10⁵
(b) 5.036 × 10⁶
(c) 5.036 × 10⁴
(d) 5.036 × 10⁷

Show Answer :

Answer : (a) 5.036 × 10⁵
Hint:
503600 = 5.036 × 10⁵

Question :0.0016 is equal to
(a) 1.6 × 10^-3
(b) 1.6 × 10^-2
(c) 1.6 × 10^-4
(d) 1.6 × 10^-5

Show Answer :

Answer : (a) 1.6 × 10^-3
Hint:
0.0016 = 1.6 × 10^-3

Question :0.000003 is equal to
(a) 3 × 10^-6
(b) 3 × 10⁶
(c) 3 × 10⁵
(d) 3 × 10^-5

Show Answer :

Answer : (a) 3 × 10^-6
Hint:
0.000003 = 3 × 10^-6

Question :8848 is equal to
(a) 8.848 × 10³
(b) 8.848 × 10²
(c) 8.848 × 10
(d) 8.848 × 10⁴

Show Answer :

Answer : (a) 8.848 × 10³
Hint:
8848 = 8.848 × 10³

Question :1.5 × 10¹¹ is equal to
(a) 150000000000
(b) 15000000000
(c) 1500000000
(d) 1500000000000

Show Answer :

Answer : (a) 150000000000
Hint:
1.5 × 10¹¹ = 150,000,000,000

Question :2.1 × 10^-6 is equal to
(a) 0.0000021
(b) 0.000021
(c) 0.00021
(d) 0.0021.

Show Answer :

Answer : (a) 0.0000021
Hint:
2.1 × 10^-6 = 0.0000021

Question :2.5 × 10⁴ is equal to
(a) 25
(b) 250
(c) 2500
(d) 25000.

Show Answer :

Answer : (d) 25000
Hint:
2.5 × 10⁴ = 25000

Question :0.07 × 10¹⁰ is equal to
(a) 700000000
(b) 7000000
(c) 7000
(d) 7.

Show Answer :

Answer : (a) 700000000
Hint:
0.07 × 10¹⁰ = 700,000,000.

Question :The value of 2^-2 is:
(a) 4
(b) ¼
(c) 2
(d) ½

Show Answer :

Answer : (b) ¼
Hint:
2^-2 = 1/2² = ¼

Question :The multiplicative inverse of 7^-2is:
(a) 7²
(b) 7
(c) 1/7²
(d) 1/7

Show Answer :

Answer : (a) 7²
Hint:
The multiplicative inverse of any value is the one which when multiplied by the original value gives a value equal to 1.
7^-2 = 1/7²
Hence, 7² x 1/7² = 1

Question :2² x 2³ x 2⁴ is equal to:
(a) 2²⁴
(b) 2^-5
(c) 2⁹
(d) 2^-9

Show Answer :

Answer : (c) 2⁹
Hint:
By laws of exponents:
a^m x aⁿ = a^m+n
2² x 2³ x 2⁴ = 2²⁺³⁺⁴ = 2⁹

Question :3^-2 x 3^-5 is equal to:
(a) 3^-7
(b) 3^-3
(c) 3^-10
(d) 3⁷

Show Answer :

Answer : (a) 3^-7
Hint:
3^-2 x 3^-5= (1/3²) x (1/3⁵)
= (1/3²⁺⁵)
= (1/3⁷)
= 3^-7

Question :5⁴/5² is equal to:
(a) 5⁶
(b) 5^-6
(c) 5^-2
(d) 5²

Show Answer :

Answer : (d) 5²
Hint:
By exponent law:
a^m/aⁿ = a^m-n
5⁴/5² = 5^4-2 = 5²

Question :The value of (3⁴)³ is:
(a) 3
(b) 3¹²
(c) 3⁷
(d) None of the above

Show Answer :

Answer : (b) 3¹²
Hint:
By law of exponent:
(a^m)ⁿ = a^mn
(3⁴)³ = 3^4×3 = 3¹²

Question :3² x 4² is equal to:
(a) 121
(b) 49
(c) 144
(d) 156

Show Answer :

Answer : (c) 144
Hint:
By exponent law;
a^m x b^m = (ab)^m
3² x 4² = (3×4)² = 12² = 144

Question :5⁷/6⁷ will give the value:
(a) (5/6)⁷
(b) (5/6)⁰
(c) (5/6)^-7
(d) (6/5)^-7

Show Answer :

Answer : (a) (5/6)⁷
Hint:
By exponent law:
a^m/b^m = (a/b)^m
5⁷/6⁷ = (⅚)⁷

Question :100⁰+20⁰+5⁰ is equal to
(a) 125
(b) 25
(c) 1/125
(d) 3

Show Answer :

Answer : (d) 3
Hint:
By exponent law we know:
a⁰ = 1
100⁰ + 20⁰ + 5⁰ = 1 + 1 + 1 = 3

Question :If (–3)^m+1 × (-3)⁵ = (-3)⁷, then the value of m is:
(a) 5
(b) 7
(c) 1
(d) 3

Show Answer :

Answer : (c) 1
Explanation: (-3)^m+1 × (-3)⁵ = (-3)⁷
(-3)^m+1+5 = (-3)⁷
(-3)^m+6 = (-3)⁷
Since, base are equal on both the sides, hence if we compare the powers,
m + 6 = 7
m = 7 – 6 = 1

Question : In 10² the base is
(a) 1
(b) 0
(c) 10
(d) 100

Show Answer :

Answer :(c) 10

Question : a^m ÷ aⁿ is equal to
(a) a^m-n
(b) a^m+n
(c) a^mn
(d) a^n-m

Show Answer :

Answer :(a)

Question : The value of (3° + 5°) × 2² is.
(a) 8
(b) 34
(c) 12
(d) 0

Show Answer :

Answer :(a) 8

Question : (a^m)ⁿ is equal to
(a) a^m+n
(b) a^m-n
(c) a^mn
(d) a^n-m

Show Answer :

Answer :(c)

Question : Evaluate the exponential expression (−n)⁴× (−n)², for n = 5.
(a) 25
(b) 15625
(c) 3125
(d) 625

Show Answer :

Answer :(d) 15625

Question : a° is equal to
(a) 0
(b) 1
(c) -1
(d) a.

Show Answer :

Answer :(d) 1

Question : The value of (2° + 3° + 5°) is equal to
(a) 2
(b) 3
(c) 1
(d) 4

Show Answer :

Answer :(d) 3

Question : The Base in the expression 10²⁴ is __.
(a) 1
(b) 10
(c) 0
(d) 24

Show Answer :

Answer :(d) 10

Question : Very small numbers can be expressed in standard form using __ exponents.
(a) equal
(b) negative
(c) positive
(d) none of these

Show Answer :

Answer :(d) negative

Question : 2 × 2 × 2 × 2 × 2 is equal to
(a) 2⁴
(b) 2³
(c) 2²
(d) 2⁵

Show Answer :

Answer :(d) 25

Question : The standard form of 0.0016 is equal to
(a) 1.6 × 10^-3
(b) 1.6 × 10^-2
(c) 1.6 × 10^-4
(d) 1.6 × 10^-5

Show Answer :

Answer :(d)

Question : Evaluate exponential expression − 2⁵.
(a) 15
(b) -32
(c) 16
(d) none of these

Show Answer :

Answer :(d) -32

Question : The value of 1000° is
(a) 0
(b) 1000
(c) 1
(d) None of these

Show Answer :

Answer :(c) 1

Question : In 10² the base is
(a) 1
(b) 0
(c) 10
(d) 100.

Show Answer :

Answer :(c) 10

Question : The multiplicative inverse of 2-3 is
(a) 2
(b) 3
(c) 3
(d) 23

Show Answer :

Answer :(d) 23

Question : The multiplicative inverse of 2^-3 is
(a) 2
(b) 3
(c) 3
(d) 2³

Show Answer :

Answer :(d) 2³

Question : The multiplicative inverse of 10⁵ is
(a) 5
(b) 10
(c) 10^-5
(d) 10⁵.

Show Answer :

Answer :(c)

Question : Evaluate exponential expression − 2⁵.
(a) 15
(b) -32
(c) 16
(d) none of these

Show Answer :

Answer :(d) -32

Question : The multiplicative inverse of am is
(a) a
(b) m
(c) a^m
(d) a^-m

Show Answer :

Answer :(d)

Question : The Base in the expression 10²⁴ is __.
(a) 1
(b) 10
(c) 0
(d) 24

Show Answer :

Answer :(d) 10

Question :The value of 7² is
(a) 7
(b) 49
(c) 2
(d) 14

Show Answer :

Answer : (b) 49

Question :16 is the multiplicative inverse of
(a) 2^-4
(b) 2⁸
(c) 8²
(d) 2⁴

Show Answer :

Answer : (a) 2^-4

Question :In 10² the base is
(a) 1
(b) 0
(c) 10
(d) 100

Show Answer :

Answer : (c) 10

Question :Charge of an electron is 0.000,000,000,000,000,000,16 coulomb and in exponential form it can be written as
(a) 16 × 10^-18 coulomb
(b) 1.6 × 10^-21 coulomb
(c) 1.6 × 10^-19 coulomb
(d) 16 × 10^-21 coulomb

Show Answer :

Answer : (c) 1.6 × 10^-19 coulomb

Question :Evaluate the exponential expression (−n)⁴× (−n)², for n = 5.
(a) 25
(b) 15625
(c) 3125
(d) 625

Show Answer :

Answer : (b) 15625

Question :Value of (3⁰ + 2⁰) × 5⁰ is
(a) 1
(b) 25
(c) 2
(d) 0

Show Answer :

Answer : (c) 2

Question :When we have to add numbers in standard form, we convert them into numbers with the ________ exponents.
(a) same
(b) different
(c) not equal
(d) None of these

Show Answer :

Answer : (a) same

Question :Fill in the blank a^m × aⁿ = a …….. where m and n are natural numbers:-
(a) mn
(b) m + n
(c) m – n
(d) $\frac { m }{ n }$

Show Answer :

Answer : (b) m + n

Question :Very small numbers can be expressed in standard form using __________ exponents.
(a) equal
(b) negative
(c) positive
(d) none of these

Show Answer :

Answer : (b) negative

Question :Multiplicative inverse of 7^-2 is _________
(a) 49
(b) 5
(c) 7
(d) -14

Show Answer :

Answer : (a) 49

Question :The value of 1000⁰ is
(a) 0
(b) 1000
(c) 1
(d) None of these

Show Answer :

Answer : (c) 1

Question :The standard form of 9030000000 is given by
(a) 9.03 × 10⁹
(b) 90.3 × 10⁷
(c) 903 × 10⁶
(d) 9.03 × 10^-9

Show Answer :

Answer : (a) 9.03 × 10⁹

Question :The multiplicative inverse of 2^-3 is
(a) 2
(b) 3
(c) 3
(d) 2³

Show Answer :

Answer : (d) 2³

Question :Find the value of the expression a² for a = 10.
(a) 100
(b) 1
(c) 10
(d) None of these

Show Answer :

Answer : (a) 100

Question :Evaluate exponential expression − 2⁵.
(a) 15
(b) -32
(c) 16
(d) none of these

Show Answer :

Answer : (b) -32

Question :In exponential form 149,600,000,000 m is given by :
(a) 1.496 × 10¹¹ m
(b) 1.496 × 10⁸ m
(c) 14.96 × 10⁸ m
(d) 14.96 × 10¹¹ m

Show Answer :

Answer : (a) 1.496 × 10¹¹ m

Question :The value of 3⁰ is ________.
(a) 0
(b) 3
(c) 1
(d) None of these

Show Answer :

Answer : (c) 1

Question :The value of ( $\frac { 1 }{ 3 }$ )^-2 is equal to
(a) 9
(b) 1
(c) -6
(d) 1/3

Show Answer :

Answer : (a) 9

Question :The Base in the expression 10²⁴ is __________.
(a) 1
(b) 10
(c) 0
(d) 24

Show Answer :

Answer : (b) 10

Question :(a^m)ⁿ is equal to
(a) a^m+n
(b) a^m-n
(c) a^mn
(d) a^n-m

Show Answer :

Answer : (c) a^mn

Question : The value of 2^-2 is:
(a) 4
(b) ¼
(c) 2
(d) ½

Show Answer :

Answer :B
Explanation: 2^-2 = 1/2² = ¼

Question : The multiplicative inverse of 7^-2is:
(a) 7²
(b) 7
(c) 1/7²
(d) 1/7

Show Answer :

Answer :A
Explanation: The multiplicative inverse of any value is the one which when multiplied by the original value gives a value equal to 1.
7^-2 = 1/7²
Hence, 7² x 1/7² = 1

Question : 2² x 2³ x 2⁴ is equal to:
(a) 2²⁴
(b) 2^-5
(c) 2⁹
(d) 2^-9

Show Answer :

Answer : C
Explanation: By laws of exponents:
a^m x aⁿ = a^m+n
2² x 2³ x 2⁴ = 2²⁺³⁺⁴ = 2⁹

Question : 3^-2 x 3^-5 is equal to:
(a) 3^-7
(b) 3^-3
(c) 3^-10
(d) 3⁷

Show Answer :

Answer :A
Explanation: 3^-2 x 3^-5 = (1/3²) x (1/3⁵)
= (1/3²⁺⁵)
= (1/3⁷)
= 3^-7

Question : 5⁴/5² is equal to:
(a) 5⁶
(b) 5^-6
(c) 5^-2
(d) 5²

Show Answer :

Answer 😀
Explanation: By exponent law:
a^m/aⁿ = a^m-n
5⁴/5² = 5^4-2 = 5²

Question : The value of (3⁴)³ is:
(a) 3
(b) 3¹²
(c) 3⁷
(d) None of the above

Show Answer :

Answer :B
Explanation: By law of exponent:
(a^m)ⁿ = a^mn
(3⁴)³ = 3^4×3 = 3¹²

Question : 3² x 4² is equal to:
(a) 121
(b) 49
(c) 144
(d) 156

Show Answer :

Answer :C
Explanation: By exponent law;
a^m x b^m = (ab)^m
3² x 4² = (3×4)² = 12² = 144

Question : 5⁷/6⁷ will give the value:
(a) (⅚)⁷
(b) (⅚)⁰
(c) (⅚)^-7
(d) (6/5)^-7

Show Answer :

Answer :A
Explanation: By exponent law:
a^m/b^m = (a/b)^m
5⁷/6⁷ = (⅚)⁷

Question : 100⁰+20⁰+5⁰ is equal to
(a) 125
(b) 25
(c) 1/125
(d) 3

Show Answer :

Answer 😀
Explanation: By exponent law we know:
a⁰ = 1
100⁰ + 20⁰ + 5⁰ = 1+1+1 = 3

Question : If (–3)^m+1 × (–3)⁵ = (–3)⁷, then the value of m is:
(a) 5
(b) 7
(c) 1
(d) 3

Show Answer :

Answer :C
Explanation: (–3)^m+1 × (–3)⁵ = (–3)⁷
(-3)^m+1+5 = (-3)⁷
(-3)^m+6 = (-3)⁷
Since, base are equal on both the sides, hence if we compare the powers,
m+6 = 7
m=7-6 = 1

Question : Find the multiplicative inverse of 5^-3.
A. 5³
B. ⅕
C. 5²
D. 5^-2

Show Answer :

Answer : A
Explanation: The multiplicative inverse of 5-3 is 53.
5^-3 x 5³ = 1

Question : The multiplicative inverse of 1/3² is:
A. 3^-2
B. 3²
C. 3
D. ⅓

Show Answer :

Answer : B. 3²
Explanation: The multiplicative inverse of 1/3² is 3².
1/3² x 3² = 1

Question : What is the value of 4² x 4^-2?
A. 16
B. 8
C. 1
D. 0

Show Answer :

Answer : C.1
Explanation: 4² x 4^-2
By law of exponents:
= 4^2+(-2) = 4^2-2 = 4⁰ = 1

Question : (⅓)² is equal to:
A. 9
B. -9
C. -1/9
D. 1/9

Show Answer :

Answer : D. 1/9
Explanation: (⅓)² = (⅓ x ⅓) = 1/9

Question : What is the value of (2² + 3² + 4²)⁰?
A. 9
B. 0
C. 1
D. 14

Show Answer :

Answer : C.1
Explanation: The value of (2² + 3² + 4²)⁰ is 1.
By exponent law, any value raised to the power 0 is equal to 1.

Question : (-1)²⁰ is equal to:
A. -1
B. 1
C. 0
D. 20

Show Answer :

Answer : B.1
Explanation: (-1)²⁰ is equal to 1 because if a negative number is raised to the power of an even number, then the resulting value will be positive.

Question : 700000000 is equal to:
A. 7 × 10⁸
B. 7 × 10⁷
C. 7 × 10⁶
D. 7 × 10⁹

Show Answer :

Answer : A. 7 × 10⁸

Question : 865000 is equal to:
A. 8.65 × 10⁵
B. 8.65 × 10³
C. 8.65 × 10⁶
D. 8.65 × 10⁴

Show Answer :

Answer : A. 8.65 × 10⁵

Question : 1.8 × 10¹¹ is equal to:
A. 180000000000
B. 18000000000
C. 1800000000
D. 1800000000000

Show Answer :

Answer : A. 180000000000

Question : 0.09 × 10¹⁰ is equal to:
A. 900000000
B. 9000000
C. 9000
D. 9

Show Answer :

Answer : A. 900000000

CBSE Class 8 Mathematics MCQ Mensuration with Answers

NCERT Solutions & Download NCERT Textbooks

Rational Numbers : Exercise – 1.1	Comparing Quantities : Exercise – 8.1
Rational Numbers : Exercise – 1.2	Comparing Quantities : Exercise – 8.2
Linear Equations in One Variable : Exercise – 2.1	Comparing Quantities : Exercise – 8.3
Linear Equations in One Variable : Exercise – 2.2	Algebraic Expressions and Identities : Exercise – 9.1
Linear Equations in One Variable : Exercise – 2.3	Algebraic Expressions and Identities : Exercise – 9.2
Linear Equations in One Variable : Exercise – 2.4	Algebraic Expressions and Identities : Exercise – 9.3
Linear Equations in One Variable : Exercise – 2.5	Algebraic Expressions and Identities : Exercise – 9.4
Linear Equations in One Variable : Exercise – 2.6	Algebraic Expressions and Identities : Exercise – 9.5
Understanding Quadrilaterals : Exercise – 3.1	Visualising Solid Shapes : Exercise – 10.1
Understanding Quadrilaterals : Exercise – 3.2	Visualising Solid Shapes : Exercise – 10.2
Understanding Quadrilaterals : Exercise – 3.3	Mensuration : Exercise – 11.1
Understanding Quadrilaterals : Exercise – 3.4	Mensuration : Exercise – 11.2
Practical Geometry : Exercise – 4.1	Mensuration : Exercise – 11.3
Practical Geometry : Exercise – 4.2	Mensuration : Exercise – 11.4
Practical Geometry : Exercise – 4.3	Exponents and Powers : Exercise – 12.1
Practical Geometry : Exercise – 4.4	Exponents and Powers : Exercise – 12.2
Practical Geometry : Exercise – 4.5	Direct and Inverse Proportions : Exercise – 13.1
Data Handling : Exercise – 5.1	Direct and Inverse Proportions : Exercise – 13.2
Data Handling : Exercise – 5.2	Factorisation : Exercise – 14.1
Data Handling : Exercise – 5.3	Factorisation : Exercise – 14.2
Squares and Square Roots : Exercise – 6.1	Factorisation : Exercise – 14.3
Squares and Square Roots : Exercise – 6.2	Factorisation : Exercise – 14.4
Squares and Square Roots : Exercise – 6.3	Introduction to Graphs : Exercise – 15.1
Squares and Square Roots : Exercise – 6.4	Introduction to Graphs : Exercise – 15.2
Cubes and Cube Roots : Exercise – 7.1	Introduction to Graphs : Exercise – 15.3
Cubes and Cube Roots : Exercise – 7.2	Playing with Numbers : Exercise – 16.1
	Playing with Numbers : Exercise – 16.2

Class 8 Mathematics MCQ Exponents And Powers

NCERT Class 8 Mathematics MCQ
Exponents And Powers with Answers

CBSE Class 8 Mathematics MCQ Mensuration with Answers

CBSE Class 8 Mathematics MCQ Visualising Solid Shapes with Answers

MCQ Questions Mechanical Engineering Hydraulic Machines

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NCERT Class 8 Mathematics MCQ Exponents And Powers with Answers

CBSE Class 8 Mathematics MCQ Mensuration with Answers

CBSE Class 8 Mathematics MCQ Visualising Solid Shapes with Answers

MCQ Questions Mechanical Engineering Hydraulic Machines

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NCERT Class 8 Mathematics MCQ
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