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Real Numbers — Maths STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10MathsReal Numbers1 Mark
Question
Very-Short-Answer Questions:
If the rational number $\frac{\text{a}}{\text{b}}$ has a terminating decimal expansion, what is the condition to be satisfied by b?
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Answer

The condition for $\frac{\text{a}}{\text{b}}$ to be a terminating decimal is that b should be of form $(2^m \times 5^n)$ for some non-negative integers m and n .

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