CBSE Class 7 Maths Exponents and Powers Quiz 2

1. The value of (- 2)⁴ is

A

8

B

-8

C

16

D

-16

2. What is the base in 8²?

A

8

B

2

C

6

D

10

3. What is the exponent in 8²?

A

8

B

2

C

16

D

6

4. What is the exponent in 8²?

A

8

B

2

C

16

D

6

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

A

-1

B

1

C

0

D

none of these

6. (-1)^{odd number} =

A

-1

B

1

C

0

D

none of these

7. 0 × 10⁴ =

A

0

B 10⁴ C

1

D

none of these

8. If 2³ × 2⁴ = 2^?, then ? =

A

3

B

4

C

1

D

7

9. If (- 3)⁴ × (-3)⁶ = (-3)^?, then ? =

A

4

B

10

C

6

D

12

10. 2⁷ ÷ 2³ =

A 2⁴ B 2¹⁰ C

2

D

\(\frac { 1 }{ 2 } \)