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To square a number you multiply it by itself. 7 x 7 = 49. or, 72 = 49.

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Q: Explain how to square the number 7?
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Is the square root of 133 irrational or rational explain?

It is irrational. 133 = 7*17 and so is not the square of any rational number. Therefore its square root cannot be rational.


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What does forty nine is the square of a number mean?

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