Question

Without dividing find rational numbers have terminating decimal :-

1. 7/25

Answer 1

here you go ☆☆

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7/25
denominator have factors = 5 × 5
so it have terminating decimal representation because it's denominator factorisation contain 5 as factor.
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hope it helps:)

Answer 2

the denominator could be convert in 5*5 = (5)^2

if the denominator is  the form of  2^m*5^n the it is a termination decimal

7/25 is terminal decimal.