# Solution - The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. - Revisiting Rational Numbers and Their Decimal Expansions

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ConceptRevisiting Rational Numbers and Their Decimal Expansions

#### Question

The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form p /q what can you say about the prime factors of q?

(1) 43.123456789

(2) 0.120120012000120000. . .

(3) 43.bar(123456789)

#### Solution

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#### Reference Material

Solution for question: The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. concept: Revisiting Rational Numbers and Their Decimal Expansions. For the course CBSE
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