What is the square root of 4

Question

I don't understand

Answer 1

No.  The term "square root" refers to that number which, when multiplied by itself, is the number.

 

For example, the square root of 16 would be 4, because 4 x 4 = 16.

 

To answer your specific question, what number, multiplied by itself, equals 4?  2 x 2 is 4, so the answer is 2.

 

Answer 2

Square root mean a number multiplied by itself. So the square root of 4 is 2 because 2x2=4.