Clothes ragnar goes to a store to buy t-shirts. the store has t-shirts on sale for $5.40 each. ragnar has $74.52 left on a gift card. what is the maximum number
of t-shirts he can buy using only the gift card?

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.