What is the outlier of these numbers? 3,2,6,4,3,5,16

Bruh it's 16! Have some dang common sense.  16 isn't even close to the other numbers you listed. Bruh smh.

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.