Question is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck! https://www. sanfransentinel. com/question178.html

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.