Exponents and Powers

Exponents and Powers

Exponent is a quantity which represents the power to which a given number or expression is to be raised.

Maths class 8 Exponents and powers

Powers with negative exponents

Maths class 8 Exponents and powers

Maths class 8 Exponents and powers

Laws of Exponents

Maths class 8 Exponents and powers

Maths class 8 Exponents and powers

Maths class 8 Exponents and powers

Practice these questions

Maths class 8 Exponents and powers

Maths class 8 Exponents and powers

Quiz for Exponents and Powers

Q.1	Express the following numbers as a product of powers of prime factors: 81
a)	3²
b)	3⁴
c)	4³
d)	3³

Q.2	Express the following numbers as a product of powers of prime factors: 625
a)	5⁵
b)	5³
c)	4⁵
d)	5⁴

Q.3	Express the following numbers as a product of powers of prime factors: 5625
a)	3² X 5⁴
b)	3³ X 5⁴
c)	3² X 5³
d)	3 X 5²

Q.4	Express the following numbers as a product of powers of prime factors: 5184
a)	3³ X 2⁶
b)	3³ X 5⁴
c)	6² X 5³
d)	2⁶ X 3⁴

Q.5	Express the following numbers as a product of powers of prime factors: 7128
a)	3³ X 2⁵
b)	2³ X 3⁴ X 11
c)	2 X 3³ X 5⁴
d)	6² X 5³

Q.6	Write the following numbers in the expanded forms: 7300987
a)	7×10'6' + 3×10'5' + 9×10'4' + 8×10'3' + 7×10'1'
b)	7×10'6' + 3×10'5' + 0×10'4' + 0×10'3' + 9×10'2' + 8×10'1'
c)	7×10'6' + 3×10'5' + 0×10'4' + 0×10'3' + 9×10'2' + 8×10'1' + 7×10'0'
d)	7×10'6' + 0×10'4' + 0×10'3' + 9×10'2' + 8×10'1' + 7×10'0'

Q.7	Write the following numbers in the expanded forms: 746023
a)	7×10⁵ + 4×10⁴ + 6×10³ + 2×10² + 3×10¹
b)	7×10⁵ + 4×10⁴ + 6×10³ + 0×10² + 2×10¹ + 3×10⁰
c)	7×10⁶ + 4×10⁵ + 6×10³ + 0×10² + 2×10¹ + 3×10⁰
d)	7×10⁶ + 4×10⁴ + 6×10³ + 0×10² + 2×10¹ + 3×10⁰

Q.8	Write the following numbers in the expanded forms: 300025
a)	3×10⁵ + 2×10⁴ + 5×10³
b)	3×10⁵ + 2×10² + 5×10⁰
c)	3×10⁴ + 0×10³ + 0×10² + 2×10¹ + 5×10⁰
d)	3×10⁵ + 0×10⁴ + 0×10³ + 0×10² + 2×10¹ + 5×10⁰

Q.9	Write the following numbers in the expanded forms: 463478
a)	4×10⁵ + 6×10⁴ + 3×10³ + 4×10² + 7×10¹
b)	4×10⁵ + 6×10⁴ + 3×10³ + 4×10² + 7×10¹ + 8×10⁰
c)	4×10⁵ + 6×10⁴ + 3×10³ + 4×10²
d)	4×10⁶ + 6×10⁴ + 7×10³ + 0×10² + 7×10¹ + 8×10⁰

Q.10	Write the following numbers in the expanded forms: 5980134
a)	5×10⁶ + 9×10⁵ + 8×10⁴ + 0×10³ + 1×10² + 3×10¹ + 4×10⁰
b)	5×10⁶ + 9×10⁵ + 8×10⁴ + 1×10³ + 4×10² + 8×10¹
c)	5×10⁵ + 9×10⁴ + 8×10³ + 1×10² + 3×10¹ + 4×10⁰
d)	5×10⁶ + 9×10⁵ + 0×10⁴ + 0×10³ + 1×10² + 3×10¹ + 4×10⁰

Your Score: 0/10

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