1) Plug in the equation: 4^(1/2)
2) Now going into this problem, we should know a fraction exponent is the same as taking the root of a number. 1/2 would be a square root, 1/3 would be a cubed root, and so on.
3) Saying 4^(1/2) is the same as saying the square root of 4.
Answer:
2
