What is the volume of this composite solid? 3 m
4 m
9 m
4 m
A. 252 cubic meters
B. 150 cubic meters
O C. 198 cubic meters
D. 58 cubic meters

The answer is the first one

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.