find the square of the following without actual multiplication 202
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Answer:
202×202
=40,804
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 202 is about 14.213.
Thus, the square root of 202 is not an integer, and therefore 202 is not a square number.
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