Career Restaurant server Nurse Estimated annual salary $26,710 $41,980
Based on the table, how much more money would a nurse earn than a restaurant server over a 20 year career?

$15,270

$68,690

$137,380

$305,400

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.