16 - 9 = 7
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the square root of 49 equals 7
42 - 32 = 7
4 and 3
As an example, the square root of 49 is 7. It's this because the square root of a number is another number multiplied by itself(7X7=49).
That is correct. I would say, the square root of a number is another number that, when you multiply it by itself, gives you the number you started with. Remember that a positive number always has two square roots, one positive and one negative. The square roots of 49 are 7 and -7, since 7x7=49, and also -7x-7=49.