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Question
Without doing any actual division, find which of the following rational numbers have terminating decimal representation : `123/250`
Solution
Given number is `123/250`
Since 250 = 2 x 5 x 5 x 5 = 21 x 53
i.e. 250 can be expressed as 2m x 5n
∴ `123/250` is convertible into the terminating decimal.
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