**Q1: **

The radius of a sphere is given by the formula , where is the sphereβs volume. Determine the difference in radius between a sphere with volume and a sphere with volume .

**Q2: **

Which of the integers below is the closest to ?

- A
- B
- C
- D

**Q3: **

What is the value of ? Give your answer to the nearest tenth.

**Q4: **

Find the two consecutive one-decimal-place numbers that lies between.

- A4.2, 4.3
- B4.0, 4.1
- C4.3, 4.4
- D4.1, 4.2
- E3.9, 4.0

**Q5: **

Find the integer which satisfies the following equation .

**Q6: **

If , and , find the value of .

- A9
- B7
- C8

**Q7: **

By considering square numbers, determine an approximation for to the nearest whole number.

**Q8: **

Given that a whole number is squared and that the result is between 875 and 974, determine between which of the following is the whole number.

- A33 and 35
- B31 and 33
- C27 and 29
- D29 and 31
- E25 and 27

**Q9: **

William wants to buy fencing to enclose a square garden with an area of 380 ft^{2}. How much fencing does he need to buy? Round your answer to the nearest tenth.

**Q10: **

Given that the radius of a certain circle is given by , estimate the radius of the circle to the nearest foot.

**Q11: **

Estimate to the nearest whole number.