The office manager of a small office ordered 180 packs of printer paper. Based on average daily use, she knows that the paper will last about 40 days. How many packs of printer paper should the manager
expect to have after 35 days?

Do you have answer choices?

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.