medium · GMAT Quant
A positive fraction is in lowest terms and has denominator 2^1·7.
Which statement about its decimal representation is necessarily correct?
- It repeats with a cycle of exactly 7 digits.
- It terminates if the numerator is positive.
- It can be terminating or repeating depending on its numerator.
- It is nonterminating and repeating.
- It terminates because the denominator is even.
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