Exercise 81 Page 36

The number 82.0371 can be written in the form ab, where a and b are integers and b≠ 0. This is the definition of a rational number. We will show how to manipulate the expression to the form ab below.

82.0371

NumberToFrac

a = 10 000* a/10 000

82.0371 * 10 000/10 000

Multiply

Multiply

820371/10 000

As we discussed before, the number can be written in the form ab, so it is a rational number.