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The square root of a number is a number that can be multiplied by itself, or 'squared' to get first number.
-2 times -2 is 4
Also, 2 times 2 is 4
Therefore the square roots are 2 and -2
The square root of 4 is 2. 2 is a rational number so they square root of 4 is rational.
Two is the square root of four. Yes. As 2 squared is 4, the square root of 4 is 2, if that is what your are asking.
The square root of 4 is 2 (and -2) and is an integer.
The square root of 81 is 9 and the square root of 4 is 2!
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