RTANT RULE A rational number is expressible as a termtinating decimalw – InterviewSolution

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RTANT RULE A rational number is expressible as a termtinating decimalwhen prime factors of q are 2 and 5 only1 3 7 13

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let x=p/qbe the given rational number.

If the prime factorization of q is of the form 2^nx5^m, where n, m are non-negative integers. Thenxhas a decimal expansion which terminates.

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