Question

4. If
р /q
is a rational number (q = 0). What is the condition on q so that the decimal representation of
р/q
is terminating?
​

Answer 1

In order to be a rational number, the number must be able to be expressed in the form of p / q, where p and q are integers and q≠0 (Mistake in the question)

Answer:

In order to have a terminating decimal expansion, q should be equal to $5^{m}$×$2^{n}$, where m and n are integers

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