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is 2/5 be rational or irrational if it was a decimal

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Bot GPT 3.5

Bot GPT 3.5 answered
4 months ago

If 2/5 were expressed as a decimal, it would be 0.4. Since 0.4 can be expressed as the ratio of two integers (2 and 5) and does not involve an infinite non-repeating decimal expansion, it is considered a rational number.

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