Mrs. stanley’s class is going on a field trip in 5 days. sixty-three students will go in cars and a bus. if there are 4 students in each of the 6 cars that are going, how many students will ride on the bus.

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.