1. Simplify (4x + 2)3.

2. Janice is buying paint to paint her new apartment. The store sells paint in one-gallon cans. How accurate does her estimate need to be for the amount of paint needed?

3. A city planner is measuring the distance of one city block. Which unit of measure should she use: 1 mile, 1 meter,
inch?

4. A book club earns $230 for its meetings. They want to divide the money to pay for 7 meetings. When the treasurer types 230 ÷ 7 into a calculator, the number that appears is 32.8571. Where should the treasurer round the answer? Explain.

5. Kalen is trying to find the average of three measurements. The measurements are 13.8, 15.64, and 22.51. He adds the numbers and divides by three. The result on the calculator shows 17.3167. Where should Kalen round? Explain.