In science class, Vicky did an experiment with an unknown solid. She started with 11 grams of the solid. During the experiment, the change in the
mass of the solid was -4 grams. What was the final mass of the solid? *
0 7 grams
O 15 grams
0 12 grams
06 grams

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.