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It is rational. The root of a perfect square, such as 4, is rational; the root of any positive integer that is not a perfect square is an irrational number.

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10y ago

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The square root of 4 is 2 which is a rational number

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10y ago
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Rational, 2 is a whole number

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9y ago
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Q: Is the square root of 4 irrational or rational?
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