1) Compute the simple interest. If the time is given in months, let one month be 1/12 of a year. Round answers to the nearest cent. Principal, Rate, and Time Interest $1,500 at 8% for 2 years $1,800 at 12% for 9 months $ 757 at 3% for 4 years

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.