What is the square root of 2 squared?

The square root of 2 squared is 2.

sqrt(22)=2

The square root function and the exponent 2 and opposite function and cancel each other out.

22=4

sqrt(4)=2

=>sqrt(22)=2 What is the (square root of 2) squared - If you take the square root of a number then square it the answer is the number itself, so the answer is 2! What is the square root of (2 squared) - Looking at the question another way, if you take a number and square it, the square root of the resulting answer is the number itself, so the answer is 2! Unless, of course, this is a trick question . . . ivj