Question

I inserted a picture of the question please please make it short! this is not a graded test.

Answer 1

A. principal square root

Step-by-step explanation

When you raise any number to a fractional exponent, what you get is a root which number is the denominator of the fraction in the exponent.

Therefore, if you raise a number to the power with the exponent 1/2 you get its principal square root.