Class 7 Mathematics MCQ Exponents And Powers

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CBSE Class 7 Mathematics MCQ
Exponents And Powers with Answers

Question 1: Simplify 2²

(A) 3
(b) 10
(c) 4
(d) 7

Show Answer :

Answer : C

Question 2: Multiplicative inverse of 1 / 7 is _________ .

(A) 49
(b) 5
(c) 7
(d) -14

Show Answer :

Answer : C

Question 3: In standard form 56700000 is written as ________________ .

(A) 5.67 x 10⁷
(b) 567 x 10⁷
(c) 5.67 x 10⁵
(d) 567 x 100000

Show Answer :

Answer : A

Question 4: 7 x 10^-5m is the standard form of which of the following ________ .

(A) 0.0007 m
(b) 0.000007 m
(c) 0.0000007 m
(d) 0.00007 m

Show Answer :

Answer : D

Question 5: Find the value of 11²

(A) 22
(b) 9
(c) 121
(d) 13

Show Answer :

Answer : C

Question 6: Usual form of the expression 10⁴ is given by _____________ .

(A) 100,00
(b) 1,0000
(c) 10 x 10⁴
(d) 10,000

Show Answer :

Answer : D

Question 7: Fill in the blank : ( -1 ) even number = _____________ .

(A) 2 x (-1)
(b) 1
(c) 0
(d) -1³

Show Answer :

Answer : B

Question 8: The value of 7² ÷ 7³ is given by ___________ .

(A) 1/7
(b) 7
(c) 1/14
(d) -7

Show Answer :

Answer : A

Question 9: The Base in the expression 8¹⁰ is _______________ .

(A) 10
(b) 2
(c) 8
(d) 800

Show Answer :

Answer : C

Question 10: The value of 2⁰ x 3⁰ x 4⁰ is

(A) 1
(b) 0
(c) 24
(d) None of these

Show Answer :

Answer : A

Question 11: The number 86,800,000,000,000,000,000,000,000 Kg is equal to _________________ .

(A) 8.68 x 10²⁵Kg
(b) 868 x 10²³Kg
(c) 86.8 x 10^-25 Kg
(d) 868 x 10^-23m

Show Answer :

Answer : A

Question 12: The value of 7² is ___________ .

(A) 7
(b) 49
(c) 2
(d) 14

Show Answer :

Answer : B

Question 13: Find the value of 5⁰ x 7⁰ x 3⁰

(A) 1
(b) 1/24
(c) 6
(d) 1/5 x 7 x 3

Show Answer :

Answer : A

Question 14: The expression , ( 5² + 7² + 3² )⁰ is equals to

(A) 15⁶
(b) – 6
(c) 1
(d) 83

Show Answer :

Answer : C

Question 15: The standard form of 9,030,000,000 is given by ______________ .

(A) 9.03 10⁹
(b) 90.3 10⁷
(c) 903 10⁶
(d) 9.03 10^-9

Show Answer :

Answer : A

Question 16: The value of (1/6)² is _______________ .

(A) 1/12
(b) 2/-3
(c) 1/3
(d) 2

Show Answer :

Answer : C

Question 17: In simplified form ( 3⁰ + 4⁰+ 5⁰ )⁰ is equals to

(A) 12
(b) 3
(c) 12
(d) 1

Show Answer :

Answer : D

Question 18: Find the number from the following expanded form : 9 x 10⁵ + 2 10²+ 3 x 10¹

(A) 900203
(b) 912351
(c) 905302
(d) 900230

Show Answer :

Answer : D

Question 19: The value of 3⁰ is ________ .

(A) 0
(b) 3
(c) 1
(d) None of these

Show Answer :

Answer : C

Question 20: Usual form of the expression 9 x 10^-5 is given by ______________ .
(a) 0.00009
(b) 0.000009
(c) 90 x 10^-4
(d) 0.09 x 10^-3

Show Answer :

Answer : A

Question 21: Multiplicative inverse of $\frac { 1 }{ 7 }$ is

(A) 14
(B) 7
(C) 49
(D) None of these

Show Answer :

Answer : (b) 7

Question 22: Simplify 2 × 10³.

(A) 1000
(B) 2000
(C) 16000
(D) None of these

Show Answer :

Answer : (b) 2000
2 × 10 × 10 × 10 = 2000.

Question 23: Find 7³ ÷ 7³.

(A) 7⁶
(B) 7⁹
(C) 7⁰
(D) None of these

Show Answer :

Answer : (c) 7⁰
7^3-3 = 7⁰

Question 24: The value of (−1)⁴⁷ is

(A) -1
(B) 1
(C) 0
(D) None of these

Show Answer :

Answer : (a) -1

Question 25: Express 72 as a product of powers.

(A) 2³ × 3²
(B) 3³ × 2³
(C) 2³ + 3²
(D) None of these

Show Answer :

Answer : (a) 2³ × 3²
Prime factors of 72 = 2 × 2 × 2 × 3 × 3 = 2³ × 3².

Question 26: Find the number from the following expanded forms 3 × 10⁴ + 7 × 10² + 5 × 10⁰.

(A) 375
(B) 30705
(C) 3705
(D) None of these

Show Answer :

Answer : (b) 30705
30000 + 700 + 5 = 30705.

Question 27: The short notation 10⁴ stands for the product.

(A) 10 × 10 × 10 × 10
(B) 4 × 10
(C) 10 + 10 + 10 + 10
(D) None of these

Show Answer :

Answer : (a) 10 × 10 × 10 × 10
10 is multiplied four times.

Question 28: Simplify 3⁴ ÷ 3⁴.

(A) 3⁰
(B) 3¹¹
(C) 3²⁸
(D) None of these

Show Answer :

Answer : (a) 3⁰
In division power.

Question 29: The value of (−1)⁹¹ is

(A) 1
(B) 0
(C) -1
(D) None of these

Show Answer :

Answer : (c) -1

Question 30: The value of (−1)³¹⁰ is

(A) 1
(B) -1
(C) 0
(D) None of these

Show Answer :

Answer : (a) 1

Question 31: Express using exponential notation 343.

(A) 3⁷
(B) 7³
(C) 7
(D) None of these

Show Answer :

Answer : (b) 7³
Prime factors of 343 = 7 × 7 × 7.

Question 32: Express 729 as a power of 3.

(A) 9³
(B) 3⁴
(C) 3⁶
(D) 3²

Show Answer :

Answer : (c) 3⁶

Question 33: In 10⁴, 10 is called :

(A) Base
(B) Power
(C) Exponent
(D) None of these

Show Answer :

Answer : (a) Base

Question 34: The number which is multiplied by (−8)^-1 to obtain a product equal to 10^-1 is ____.

(A) $\frac { -4 }{ 5 }$
(B) $\frac { -3 }{ 5 }$
(C) $\frac {- 1 }{ 5 }$
(D) $\frac { -5 }{ 4 }$

Show Answer :

Answer : (a) $\frac { -4 }{ 5 }$

Question 35: Express in exponential form 2 × 2 × a × a.

(A) 2². a²
(B) 2². 2⁰
(C) 2² + a²
(D) None of these

Show Answer :

Answer : (a) 2². a²
2 is multiplied two times and also a is multiplied two times.

Question 36: Simplify 5² ÷ 5⁶.

(A) 5^-4
(B) 5⁴
(C) 5⁸
(D) None of these

Show Answer :

Answer : (a) 5^-4
As 5^2-6 = 5^-4.

Question 37: The value of (−1)⁵⁰⁰ is

(A) 1
(B) -1
(C) 0
(D) None of these

Show Answer :

Answer : (a) 1

Question 38: Which is greater 2³ or 3².

(A) 2³
(B) 3²
(C) Equal
(D) None of these

Show Answer :

Answer : (b) 3²
2³ = 2 × 2 × 2 = 8, 3² = 3 × 3 = 9.

Question 39: Simplify 0 × 12².

(A) 1
(B) 20
(C) 0
(D) None of these

Show Answer :

Answer : (c) 0
0 is multiplied by any number gives result 0.

Question 40: Find the value of $\frac{3^{5}}{3^{5}}$

(A) 1
(B) 0
(C) 3
(D) None of these

Show Answer :

Answer : (a) 1
3^5-5 = 3⁰ = 1

Question 41: The value of 11⁰ is ________ .

(A) 3
(B) 11
(C) 1
(D) None of these

Show Answer :

Answer : (c) 1

Question 42: The exponential form of 100000 is

(A) 10³
(B) 10⁴
(C) 10⁵
(D) none of these

Show Answer :

Answer : (c) 10⁵

Question 43: (-1)³ find value.

(A) 1
(B) -1
(C) -3
(D) None of these

Show Answer :

Answer : (b) -1
Negative sign has odd number exponent.

Question 44: Simplify 2³ × 5.

(A) 30
(B) 40
(C) 20
(D) None of these

Show Answer :

Answer : (b) 40
2³ × 5 = 2 × 2 × 2 × 5 = 40.

Question 45: Find the value of 2⁰ + 3⁰ + 4⁰.

(A) 3
(B) 0
(C) 9
(D) None of these

Show Answer :

Answer : (a) 3
2⁰ + 3⁰ + 4⁰ = 1 + 1 + 1 = 3.

Question 46: Express 432 as a product of powers of prime factors.

(A) 2³×3³
(B) 8×27
(C) 16×27
(D) 2⁴×3³

Show Answer :

Answer : (d) 2⁴×3³

Question 47: Find the value of 11².

(A) 121
(B) 22
(C) 5.5
(D) None of these

Show Answer :

Answer : (a) 121
11 × 11 = 121.

Question 48: Simplify a² × a⁴.

(A) a⁸
(B) a⁶
(C) a²
(D) None of these

Show Answer :

Answer : (b) a⁶
Powers are added as the base of both numbers is a.

Question 49: Find the number from the following expanded forms
8 × 10⁴ + 6 × 10³ + 0 × 10² + 4 × 10¹ + 5 × 10⁰.

(A) 86045
(B) 8645
(C) 86450
(D) None of these

Show Answer :

Answer : (a) 86045
8 × 10⁴ + 6 × 10³ + 0 × 10² + 4 × 10¹ + 5 × 10⁰ = 80000 + 6000 + 0 + 40 + 5.

Question 50: Multiplicative inverse of $\frac { 1 }{ 5 }$ is

(A) 10
(B) 3
(C) 5
(D) None of these

Show Answer :

Answer : (c) 5

Question 51: Solve 1⁴.

(A) 1
(B) 4
(C) -1
(D) None of these

Show Answer :

Answer : (a) 1
1 is multiplied four times, i.e. 1 × 1 × 1 × 1.

Question 52: Solve 2² × 2³.

(A) 2⁶
(B) 2⁵
(C) 4⁶
(D) None of these

Show Answer :

Answer : (b) 2⁵
Powers are added if the base are same in case of multiplication.

Question 53: Solve (3⁰ + 2⁰) × 5⁰.

(A) 2
(B) 0
(C) 5
(D) None of these

Show Answer :

Answer : (a) 2
(1 + 1) x 1 = 2 × 1 = 2.

Question 54: The value of 7⁰ is ________ .

(A) 7
(B) 21
(C) 1
(D) None of these

Show Answer :

Answer : (c) 1

Question 55: In 10⁴, 4 is called :

(A) Base
(B) Power
(C) Exponent
(D) None of

Show Answer :

Answer : (c) Exponent

Question 56: Identify the greater number (i) 4³ or 3⁴.

(A) 4³
(B) 3⁴
(C) Both are equal
(D) None of these

Show Answer :

Answer : (b) 3⁴
4 × 4 × 4 = 64, and 3 × 3 × 3 × 3 = 81.

Question 57: 512 can be written in exponential form a

(A) 2³
(B) 2⁴
(C) 2⁹
(D) 2¹

Show Answer :

Answer : (c) 2⁹

Question 58: Find the value of $\left(2^{3}\right)^{2}$ .

(A) 64
(B) 36
(C) 81
(D) None of these

Show Answer :

Answer : (a) 64
2³ = 2 × 2 × 2 = 8 and 8² = 8 × 8 = 64.

Question 59: Solve 2⁰ × 3⁰ × 4⁰.

(A) 1
(B) 24
(C) 0
(D) None of these

Show Answer :

Answer : (a) 1
2⁰ × 3⁰ × 4⁰ = 1 × 1 × 1 = 1.

Question 60: The value of 2⁸ is

(A) 1024
(B) 256
(C) 512
(D) 128

Show Answer :

Answer : (b) 256

Question 61: Simplify 0 × 10².

(A) 0
(B) 100
(C) 20
(D) None of these

Show Answer :

Answer : (a) 0
0 is multiplied by any number gives result 0.

Question 62: Express in exponential form : (2 × 3)⁵

(A) 3⁰ × 3⁰
(B) 5² × 5³
(C) 6⁵
(D) None of these

Show Answer :

Answer : (c) 6⁵
(a × b)^x = (ab)^x.

Question 63: Express 432 as a product of powers.

(A) 4² × 3³
(B) 2⁴ × 3³
(C) 2⁴ + 3⁴
(D) None of these

Show Answer :

Answer : (b) 2⁴ × 3³
Prime factor of 432 = 2 × 2 × 2 × 2 × 3 × 3 × 3.

Question 64: Which is smaller 2¹⁰ or 10² ?

(A) 2¹⁰
(B) 10²
(C) Both are equal
(D) None of these

Show Answer :

Answer : (b) 10²
2¹⁰ = 1024 and 10² = 100, so 10² is smaller than 2¹⁰.

Question 65: Expresses 256 as a power of 2.

(A) 2⁸
(B) 2 × 8
(C) 2 multiplied 8 times
(D) None of these

Show Answer :

Answer : (a) 2⁸
Prime factors of 256 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2.

Question 66: The value of (−1)⁷⁵ is

(A) 0
(B) 1
(C) -1
(D) None of these

Show Answer :

Answer : (c) -1

Question 67: The value of (−1)⁴⁰⁰ is

(A) 1
(B) 0
(C) -1
(D) None of these

Show Answer :

Answer : (a) 1

Question 73: The exponential form of 10000 is

(A) 10³
(B) 10⁴
(C) 10⁵
(D) none of these

Show Answer :

Answer : (b) 10⁴
Hint:
10000 = 10 × 10 × 10 × 10 = 10⁴

Question 74: The exponential form of 100000 is

(A) 10³
(B) 10⁴
(C) 10⁵
(D) none of these

Show Answer :

Answer : (c) 10⁵
Hint:
100000 = 10 × 10 × 10 × 10 × 10 = 10⁵

Question 75: The exponential form of 81 is

(A) 3⁴
(B) 3³
(C) 3²
(D) none of these

Show Answer :

Answer : (a) 3⁴
Hint:
81 = 3 × 3 × 3 × 3 = 3⁴

Question 76: The exponential form of 125 is

(A) 5⁴
(B) 5³
(C) 5²
(D) none of these

Show Answer :

Answer : (b) 5³
Hint:
125 = 5 × 5 × 5 = 5³

Question 77: The exponential form of 32 is

(A) 2³
(B) 2⁴
(C) 2⁵
(D) none of these

Show Answer :

Answer : (c) 2⁵
Hint:
32 = 2 × 2 × 2 × 2 × 2 = 2⁵

Question 78: The exponential form of 243 is

(A) 3⁵
(B) 3⁴
(C) 3³
(D) 3²

Show Answer :

Answer : (a) 3⁵
Hint:
243 = 3 × 3 × 3 × 3 × 3 = 3⁵

Question 79: The exponential form of 64 is

(A) 2⁵
(B) 2⁶
(C) 2⁷
(D) 2⁸

Show Answer :

Answer : (b) 2⁶
Hint:
64 = 2 × 2 × 2 × 2 × 2 × 2 = 2⁶

Question 80: The exponential form of 625 is

(A) 5²
(B) 5³
(C) 5⁴
(D) 5⁵

Show Answer :

Answer : (c) 5⁴
Hint:
625 = 5 × 5 × 5 × 5 = 5⁴

Question 81: The exponential form of 1000 is

(A) 10¹
(B) 10²
(C) 10³
(D) 10⁴

Show Answer :

Answer : (c) 10³
Hint:
1000 = 10 × 10 × 10 = 10³

Question 82: The value of (- 2)³ is

(A) 8
(B) -8
(C) 16
(D) -16

Show Answer :

Answer : (b) -8
Hint:
(-2)³ = (-2) × (-2) × (-2) = -8

Question 83: The value of (- 2)⁴ is

(A) 8
(B) -8
(C) 16
(D) -16

Show Answer :

Answer : (c) 16
Hint:
(-2)⁴ = (-2) × (-2) × (-2) × (-2) = 16

Question 84: What is the base in 8²?

(A) 8
(B) 2
(C) 6
(D) 10

Show Answer :

Answer : (a) 8

Question 85: What is the exponent in 8²?

(A) 8
(B) 2
(C) 16
(D) 6

Show Answer :

Answer : (b) 2

Question 86: (-1)^{even number} =

(A) -1
(B) 1
(C) 0
(D) none of these

Show Answer :

Answer : (b) 1

Question 87: (-1)^{odd number} =

(A) -1
(B) 1
(C) 0
(D) none of these

Show Answer :

Answer : (a) -1

Question 88: 0 × 10⁴ =

(A) 0
(B) 10⁴
(C) 1
(D) none of these

Show Answer :

Answer : (a) 0

Question 89: If 2³ × 2⁴ = 2^?, then ? =

(A) 3
(B) 4
(C) 1
(D) 7

Show Answer :

Answer : (d) 7
Hint:
2³ × 2⁴ = 2³⁺⁴ = 2⁷

Question 90: If (- 3)⁴ × (-3)⁶ = (-3)^?, then ? =

(A) 4
(B) 10
(C) 6
(D) 12

Show Answer :

Answer : (b) 10
Hint:
(-3)⁴ × (-3)⁶ = (-3)⁴⁺⁶ = (-3)¹⁰

Question 91: 2⁷ ÷ 2³ =

(A) 2⁴
(B) 2¹⁰
(D) 2
(D) $\frac { 1 }{ 2 }$

Show Answer :

Answer : (a) 2⁴
Hint:
2⁷÷ 2³ = 2^7-3 = 2⁴

Question 92: 10⁶ ÷ 10⁵ =

(A) 10¹
(B) 10⁵
(C) 10⁶
(D) 10¹¹

Show Answer :

Answer : (a) 10¹
Hint:
10⁶ ÷ 10⁵ = 10^6-5 = 10¹

Question 93: b × b × b × b × b =

(A) b⁵
(B) b⁴
(C) b⁶
(D) b³

Show Answer :

Answer : (a) b⁵

Question 94: (-5)⁴ =

(A) 125
(B) 625
(C) 375
(D) 125

Show Answer :

Answer : (b) 625
Hint:
(-5)⁴ = (-5) × (-5) × (-5) × (-5) = 625

Question 95: a^m × aⁿ =

(A) a^m+n
(B) a^m-n
(C) a^mn
(D) a^m/n

Show Answer :

Answer : (a) a^m+n

Question 96: am ÷ an =

(A) a^m+n
(B) a^m-n
(C) a^mn
(D) a^m/n

Show Answer :

Answer : (b) a^m-n

Question 97: (2²)³ =

(A) 2²
(B) 2³
(C) 2¹
(D) 2⁶

Show Answer :

Answer : (d) 2⁶
Hint:
(22)³ = 2^2×3 = 2⁶

Question 98: (5²)¹⁰ =

(A) 5²
(B) 5²⁰
(C) 5¹⁰
(D) 5⁵

Show Answer :

Answer : (b) 5²⁰
Hint:
(5²)¹⁰ = 5^2×10 = 5²⁰

Question 99: (a^m)ⁿ =

(A) a^m+n
(B) a^m-n
(C) a^mn
(D) a^m/n

Show Answer :

Answer : (c) a^mn

Question 100: If a is any non-zero integer, then a⁰ =

(A) a
(B) 0
(C) 1
(D) none of these

Show Answer :

Answer : (c) 1

Question 101: 3⁰ =

(A) 0
(B) 1
(C) 3
(D) none of these

Show Answer :

Answer : (b) 1

Question 102: 3⁰ × 4⁰ × 5⁰ =

(A) 1
(B) 3
(C) 4
(D) 5

Show Answer :

Answer : (a) 1
Hint:
3⁰ × 4⁰ × 5⁰ = 1 × 1 × 1 = 1

Question 103: (2⁰ + 3⁰) × 4⁰ =

(A) 1
(B) 2
(C) 3
(D) 4

Show Answer :

Answer : (b) 2
Hint:
(2⁰ + 3⁰) × 4⁰ = (1 + 1) × 1 = 2

Question 104: 3⁰ + 4⁰ + 5⁰ =

(A) 1
(B) 2
(C) 3
(D) none of these

Show Answer :

Answer : (c) 3
Hint:
3⁰ + 4⁰ + 5⁰ = 1 + 1 + 1 = 3

Question 105: Which of the following is true?

(A) 2⁰ = (100)⁰
(B) 10² × 10⁸ = 10¹⁶
(C) 2² × 3³ = 65
(D) 2³ > 3²

Show Answer :

Answer : (a) 2⁰ = (100)⁰
Hint:
2⁰ = (100)⁰ = 1

Question 106: (2² × 2)² =

(A) 2³
(B) 2⁴
(C) 2⁵
(D) 2⁶

Show Answer :

Answer : (d) 2⁶
Hint:
(2² × 2)² = (2²⁺¹)² = (2³)² = 2^3×2 = 2⁶

Question 107: $\frac { { 3 }^{ 8 } }{ { 3 }^{ 5 }\times { 3 }^{ 3 } } =$

(A) 1
(B) 3
(C) 5
(D) 8

Show Answer :

Answer : (a) 1
Hint:
$\frac{3^8}{3^5×3^3}$ = $\frac{3^8}{3^{5+3}}$ = $\frac{3^8}{3^8}$ = 1

Question 108: ( $\frac { { a }^{ 4 } }{ { a }^{ 2 } } \times { a }^{ 3 }=$ )

(A) a⁴
(B) a⁵
(C) a⁶
(D) a⁸

Show Answer :

Answer : (b) a⁵
Hint:
( $\frac{a^4}{a^2}$ ) × a³ = a^4-2 × a³ = a² × a³
= a²⁺³ = a⁵

Question 109: 82 ÷ 24 =

(A) 1
(B) 2
(C) 3
(D) 4

Show Answer :

Answer : (d) 4
Hint:
8² + 2⁴ = $\frac{(2×2×2)^2}{2^4}$ = $\frac{(2^3)^2}{2^4}$
= $\frac{2^{3×2}}{2^4}$ = $\frac{2^6}{2^4}$ = 2^6-4 = 2² = 4

Question 110: (-2a)³ =

(A) 2a³
(B) 4a³
(C) 8a³
(D) -8a³

Show Answer :

Answer : (d) -8a³
Hint:
(-2a)³ = (-2a) × (-2a) × (-2a) = -8a³

Question 111: a^m ÷ b^m =

(A) a^m b^m
(B) ( $\frac { a }{ b }$ )^m
(C) $\frac { a }{ b }$
(D) 1

Show Answer :

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

Question 112: (ab)^m =

(A) a^m b^m
(B) a^mb
(C) ab^m
(D) ab

Show Answer :

Answer : (a) a^m b^m

Question 113: 333 in standard form is

(A) 3.33 × 10²
(B) 3.33 × 10³
(C) 3.33 × 10¹
(D) 3.33 × 10⁴

Show Answer :

Answer : (a) 3.33 × 10²

Question 114: 6000 in standard form is

(A) 6 × 10³
(B) 6 × 10⁶
(C) 6 × 10⁴
(D) 6 × 10⁵

Show Answer :

Answer : (a) 6 × 10³

Question 115: 3430000 in standard form is

(A) 3.43 × 10⁶
(B) 3.43 × 10⁴
(C) 3.43 × 10²
(D) 3.43 × 10¹⁰

Show Answer :

Answer : (a) 3.43 × 10⁶

Question 116: 1353000000 in standard form is

(A) 1.353 × 10⁹
(B) 1.353 × 10⁶
(C) 1.353 × 10³
(D) 1.353 × 10¹²

Show Answer :

Answer : (a) 1.353 × 10⁹

Question 117: 100000000000 in standard form is

(A) 1 × 10⁸
(B) 1 × 10⁹
(C) 1 × 10¹⁰
(D) 1 × 10¹¹

Show Answer :

Answer : (d) 1 × 10¹¹

Fill in the blanks.

Question 1: b² × b³ = ………..

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Answer : b⁵

Question 2: a^m × b^m = ………..

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Answer : (ab)^m

Question 3: a⁰ = ………..

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Answer : 1

Question 4: The number 10⁴ is read as ………. raised to the power of ………… .

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Answer : 10, 4

Question 5: (-1)^{even number} = ………..

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Answer : 1

Question 6: c⁴ ÷ c⁵ = ………..

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Answer : c^-1

Question 7: 10⁴ is called the ………… of 10000.

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Answer : exponential form

Question 8: (-1)^{odd number} = ………..

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Answer : -1

Question 9: c⁷ ÷ c⁷ = ………..

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Answer : 1

Question 10: Any number can be expressed as a decimal number between 1.0 and 10.0 including 1.0 multiplied by a power of 10. Such a form of a number is called its ……….. .

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Answer : standard form

State whether the given statements are True or False.

Question 1: 10 × 10¹¹ = 100¹¹

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Answer : False

Question 2: 2³ > 5²

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Answer : False

Question 3: 2³ × 3² = 6⁵

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Answer : False