Question

how do you calculate the sqaure root. explain with egs.

Answer 1

$\sqrt{100} = 10 \: because \: 10 \times 10 = 100$
like this only some of the square numbers are all the numbers has a square number except 0

Answer 2

To calculate the square of a number do the prime factorisation. For example 100.

100 = 2×2×5×5

Now find pairs.
like 2 and 5.

and then multiply 5×2 =10
therefore square root of 100 is 10.

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