Question

Explain how to distinguish between a rational number and an irrational number.

Answer 1

rational numbers have definite decimal expansions and if they have infinite decimal expression so they are repeating decimal expansions but irrational numbers have non repeating non recurring decimal expansions

Answer 2

rational no.is a no.that divides or is terminating completely or reoccurring eg. 123, 0.1298........ whereas irrational no are those no which are non terminating and non repeating eg. 1.1010010001000010000..........hope helps
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