Exponents & Powers Mock Tests

35 questions available

Exponents & Powers Mock Test 1

Questions: 30

Exponents & Powers Mock Test 2

Questions: 5

Sample Questions

Class 8 Mathematics

Express 0.00045 in standard form:

A 4.5 × 10⁻⁴

B 4.5 × 10⁻³

C 45 × 10⁻⁵

D 0.45 × 10⁻³

Class 8 Mathematics

Simplify: (3⁴) ÷ (3²). The result is:

A 3²

B 3⁶

C 9²

D 9⁴

Class 8 Mathematics

The value of 2⁻³ expressed as a positive exponent is:

A 1/8

B 1/6

C -8

D -6

Class 8 Mathematics

The value of 2⁻³ expressed as a positive exponent is:

A 1/8

B 1/6

C -8

D -6

Class 8 Mathematics

The value of 2^-3 is:

A -8

B -6

C 1/8

D 1/4

Class 8 Mathematics

Simplify: 5³ × 5⁻¹

A 5⁴

B 5²

C 5³

D 5⁻³

Class 8 Mathematics

If 2ⁿ = 32, then the value of n is:

A 3

B 4

C 5

D 6

Class 8 Mathematics

Express 0.00045 in standard form:

A 4.5 × 10⁻⁴

B 4.5 × 10⁻³

C 45 × 10⁻⁵

D 0.45 × 10⁻³

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