Simplify the square root of 3 times the fifth root of 3. three to the one tenth power three to the three fifths power three to the nine tenths power three to the seven tenths power

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.