Ursula has 1/2 cups of butter. She uses 1/4 cup of butter to make a batch of brownies. How many batches of brownies can she make. Do you divide the fractions to get the answer??

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.