Powers & Roots Quiz

1. What is 5²?

1. 10
2. 15
3. 25
4. 52

2. What is √64?

1. 6
2. 7
3. 8
4. 9

3. What is 2³?

1. 12
2. 6
3. 8
4. 9

4. What is √144?

1. 11
2. 12
3. 13
4. 14

5. What is 10³?

1. 100
2. 1000
3. 30
4. 300

6. What is 3⁴?

1. 12
2. 27
3. 64
4. 81

7. What is the cube root of 27?

1. 2
2. 3
3. 4
4. 9

8. What is any number raised to the power of 0?

1. 0
2. 1
3. The number itself
4. Undefined

9. What is √(4 × 9)?

1. 12
2. 13
3. 36
4. 6

10. What is 4² + 3²?

1. 14
2. 25
3. 49
4. 7

11. Which is larger: 2⁵ or 5²?

1. 2⁵
2. 5²
3. Cannot be determined
4. They are equal

12. What is the square root of 1?

1. 0
2. 0.5
3. 1
4. 1 and -1

13. What is 6²?

1. 12
2. 30
3. 36
4. 66

14. What is 2¹⁰?

1. 100
2. 1024
3. 20
4. 512

15. What is √225?

1. 13
2. 14
3. 15
4. 16

16. What does a negative exponent mean? E.g. 2⁻³

1. A negative number
2. A very small number (−8)
3. The reciprocal: 1/2³
4. Zero

17. What is the cube root of 125?

1. 25
2. 4
3. 5
4. 6

18. What is 7²?

1. 14
2. 42
3. 49
4. 77

19. If 3ⁿ = 81, what is n?

1. 27
2. 3
3. 4
4. 5

20. What is √(100/25)?

1. 10
2. 2
3. 4
4. 5