Question

Part A: Find a rational number that is between 7.7 and 7.9. Explain why it is rational. (2 points)

Answer 1

Part A.
7.8 is a rational number between 7.7 and 7.9.
It is rational because it can be written as a fraction of integers, such as 78/10.

Part B.
sqrt(60) = 7.75
sqrt(60) cannot be written as a fraction of integers. It is a decimal number that never ends and never repeats.