All fractions represent a repeating decimal, but those in lowest terms with only powers of 2 and 5 in the denominator repeat with zeros. (terminating decimals)
So, reduce them all and see which ones have something besides 2 and 5 in the bottom.
For example, 11/88 = 1/8 = 1/2^3 so it terminates -- 0.125
Or, heck, just do the division on your calculator. geez.
Which fraction equals a repeating decimal?
a) 5/80
b) 11/88
c) 17/85
d) 18/81
6 answers
Good
11/88
17/85
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11/88
1 answer