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Is the square root of 400 rational or irrational

Is the square root of 400 rational or irrational
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3 votes
Is the square root of 400 rational or irrational

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User JWL
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2 Answers

3 votes

The square root of 400 is rational because the product is 20 which is a whole number making it a rational number

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User Ssten
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6 votes

Rational number, because the Square root of 400 is 20, since 20 x itself is 400. Hope this helps!

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User JungleMan
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9.2k points
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