Jenna had 1/6 of cake leftover. She wanted to share it among her 3 friends. How much cake would each friend get?

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.

200+150+100+50+19=519519÷60=$8.65$8.65-$5.00=$3.65 < -- answer