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Exponents and Powers

Exponents and Powers
science Square
Science Square
  • 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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