Practice Exercise 5

Powers & Roots

Calculate.

1. 18 1. __________

2. 1.5 2. __________

3. 8 3. __________

4. 2 4. __________

5. 5. __________

6. 6. __________

7. Find the length of c.

c

a=5

7. __________

b = 12

8. Find the length of c.

c

a = 9

b = 40 8. __________

9. If the area of a square equals 576 in

Find the length of a side. 9. __________

10. Find the area of a square with side lengths

of 4.1875 inches. 10. __________