Answer with explanation:
→A number is said to be rational number , if it can be written in the form of
, where q≠0.
→A rational number is said to be terminating decimal if denominator of rational number is in the form of

otherwise , it is non terminating repeating decimal.
→The given Rational number is

Here denominator contains neither powers of 2 , nor powers of 5, nor power of 2 × 5, so it is a non terminating repeating decimal , still a rational number.