The sales tax on prescription drugs in Vermont is 6% . Calculate how much tax you need to pay on prescribed drugs if they cost 17.40 before tax. Round your answer to the nearest cent.

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.