Which of the following rational numbers can be expressed as a repeating decimal: 7/8 , 5/12 , 17/25 , or 31/40 ?(1 point)

1 answer

To determine if a rational number can be expressed as a repeating decimal, we need to find the decimal form of each of the given fractions. We can do this by dividing the numerator by the denominator in each case.

7/8 = 0.875

5/12 = 0.416666...

17/25 = 0.68

31/40 = 0.775

From the given options, the rational number 5/12 can be expressed as a repeating decimal.