Find the square root of 400

The square root of 400 is 20 cause 20*20 is 400. For example:

2*2=4, so the square root of 4 will be 2 and the same thing for 400. If we looking for any number's square root, we have to look for 2 numbers that multiply it self give us the number.

20

Step-by-step explanation:

20*20 = 400