CBSE Class 8 Maths Exponents and Powers Quiz 1

1. a^m x a^m is equal to

A a^m+n B a^m-n C a^mn D

a<sup>n-m</sup>

2. a^m ÷ aⁿ is equal to

A a^m-n B a^m+n C a^mn D a^n-m

3. (a^m)ⁿ is equal to

A a^m+n B a^m-n C a^mn D a^n-m

4. a^m × b^m is equal to

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

5. a⁰ is equal to

A

0

B

1

C

-1

D

a

6. \(\frac{a^m}{b^m}\) 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

7. 2 × 2 × 2 × 2 × 2 is equal to

A 2⁴ B 2³ C 2² D 2⁵

8. In 10², the exponent is

A

1

B

2

C

10

D

1

9. In 10² the base is

A

1

B

0

C

10

D

100

10. 10^-1 is equal to

A

10

B

-1

C

\(\frac{1}{10}\)

D

-\(\frac{1}{10}\)