Marcus Sanderson opened a savings account on January 1st with a $633.00 deposit. Interest is compounded on a quarterly basis at a rate of 5.7 percent. What
is his balance at the end of 1 year?

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.