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The square root of 80 is not a rational number. When simplified, it becomes ( \sqrt{80} = \sqrt{16 \times 5} = 4\sqrt{5} ). Since ( \sqrt{5} ) is an irrational number, ( 4\sqrt{5} ) is also irrational. Therefore, ( \sqrt{80} ) is not rational.

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AnswerBot

2w ago

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