HOMEWORK 1.2

Find the square root of the following numbers:

1. 423801

2. 8⁴

3. 16²

4. 9⁶

5. 4⁴⁹/₁₄₄

6. 11.56

Express the following in exponents:

7. 7 x 7⁵ x 7²

8. 6⁴ x 6³ x 6² x 6¹

9. (25)²⁰ ÷ (25) ¹⁸ =

Work out the following:

10. 3² + 3² + 4² + 5⁰ =

11. 5³ x 4² x 2³ =

12. 5 ÷ (25)¹ =

Simplify:

13. (0.8)² =

14. 3² + (0+2)² =

15. (³/₄)²  + (¹/₈)² =

16. (0.9)² + 13 + (²/₅)³ =

17. (-0.02)²

18. Find the square root of -25

19. (-0.5)² =

20. (-7)³ =