Each month for 5 months, sophie makes 2 quilts. how many more quilts does she need to make before she has made 16 quilts?

It is 6 2  5 is 10 and she needs 16 so 6

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.