In this worksheet, we will practice solving problems that have negative and nonnegative integer powers in R.

**Q2: **

Calculate .

**Q3: **

Which of the following is equal to ?

- A
- B
- C
- D
- E

**Q4: **

Determine the value of given that .

**Q5: **

Find the value of .

**Q6: **

Find the value of .

**Q7: **

Express in its simplest form.

**Q8: **

Simplify .

- A
- B
- C
- D
- E 5

**Q9: **

Calculate , giving your answer in its simplest form.

- A
- B
- C 800
- D
- E

**Q10: **

Evaluate .

**Q11: **

Which of the following is equal to ?

- A
- B
- C
- D
- E

**Q12: **

Which of the following is equal to ?

- A
- B25
- C
- D
- E

**Q13: **

What is the square of ?

**Q14: **

Find the value of .