Question

square root by factorization method step by step 400
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Answer 1

Answer:

What Is the Square Root of 400?

The square root of a number is the number that gets multiplied to itself to give the product as the original number.

.400 = a × a = 202

.Then a = √400 = √(20 × 20)

.20 × 20 = 400 or -20 × -20 = 400.

.The 2nd root of 400 is +20 or - 20.

.This shows that 400 is a perfect square.