During inventory at restaurant where garrett works, he counted the paper products. the small paper cups come in sleeves inside of a cardboard case. garrett counted 6 cases and 12 sleeves outside of a case. he recorded a total of 162 sleeves of cups

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.