It is a terminating decimal because the denominator has a factor as ...........

Foundation

Mathematics Foundation

Properties of Real Number

Recurring Decimal Number

Rational Numbers

Question

$\frac{1}{2} = 0.5$
It is a terminating decimal because the denominator has a factor as ...........

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When the prime factorization of the denominator of a fraction has only factors of 2 and factors of 5, we say the decimal as terminating decimal.

Here, the denominator has 2 as a factor and hence it is terminating.

Therefore, C is the correct answer.