To square a number simply means to multiply it by itself. So to square 7, you'd just need to multiply 7 by 7, which gives you 49.
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The square root of 49 is 7.7 times 7 is 49, so the square root of 49 is 7. 7
The square root of 49 is 7, because 7 x 7 = 49
Yes, 49 is a perfect square. The square root of 49 is 7. 7 x 7 = 49
343 is 7 x 7 x 7. The square root is 18.520259....
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