Question

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.

Answer 1

Since the first number after the decimal is lower than 5, you would need to round down. So the answer would be 17(not 18).

Explanation: