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Indices and Roots

Stuck? Read the notes

	Answers
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20

Evaluate each of the following, without a calculator.

1. 12^2
2. 9^2
3. 14^2
4. 13^2

Evaluate each of the following, without a calculator.

5. 3^3
6. 1^3
7. 5^3
8. 4^3

Work out the following in your head.

9. \sqrt{ 100 }
10. \sqrt{ 49 }
11. \sqrt{ 225 }
12. \sqrt{ 400 }

Work out the following without a calculator.

13. \sqrt[3]{ 64 }
14. \sqrt[3]{ 27 }
15. \sqrt[3]{ 125 }
16. \sqrt[3]{ 8000 }

What is the answer to each of the following? No calculators

17. 1^{ 56 }
18. 3^{ 5 }
19. 2^{ 4 }
20. 10^{ 7 }