Q. 1 A

State whether following rational number have terminating decimal expansion or not and if it has terminating decimal expansion, find it:

Answer :

Convert the given rational number into lowest divisible terms.

If the denominator is in the power of 2 OR/AND 5, then the given number is terminating else non- terminating.

Prime factorization of 625 = 5 × 5 × 5 × 5 = 54 × 1 = 54 × 20

i.e. it is in the power of 5

So, the given rational number is terminating in nature.

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