**Q3: **

What is the length of a rectangle whose area is cm^{2} and whose width is cm?

- A cm
- B cm
- C cm
- D cm

**Q4: **

What must be multiplied by to get ?

- A
- B
- C
- D
- E

**Q5: **

Simplify .

- A
- B 625
- C
- D 25

**Q6: **

Calculate .

- A
- B 6
- C 3
- D

**Q7: **

Simplify .

- A
- B
- C
- D
- E729

**Q8: **

Which of the following is equal to ?

- A
- B 16
- C
- D 4

**Q9: **

Calculate , giving your answer in its simplest form.

- A
- B
- C
- D

**Q10: **

Simplify .

- A
- B
- C
- D

**Q11: **

Simplify .

- A
- B
- C
- D
- E

**Q12: **

What is the value of ?

- A
- B 3
- C
- D

**Q13: **

What must be multiplied by to get ?

- A
- B
- C
- D
- E

**Q14: **

Simplify .

- A
- B
- C 432
- D
- E

**Q15: **

Calculate .

- A136
- B
- C120
- D
- E128

**Q16: **

Calculate .

- A 56
- B
- C
- D
- E

**Q17: **

Simplify .

- A
- B
- C
- D

**Q18: **

Express in its simplest form.

- A
- B
- C
- D
- E