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6. Look at several examples of rational numbers in the form qp (q ! 0), where p and q are integers with no common factors other than 1 and having terminating decimal representations (expansions). Can you guess what property q must satisfy?

Harshit Singh , 4 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 4 Years ago

To represent rational number qp (q ! 0) in terminating decimal form it is necessary to choose denominator q such that its prime factorization must has only powers of 2 or powers of 5. For example (i) 167 is a terminating decimal because 16 = 24 (ii) 1125 is a terminating decimal because 25 = 52
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