What is the volume of a right rectangular prism that is 4 yards x 1.5 yards x 8 yards

The answer to that question is 48. All you do is muliply 4*1.5*8=48

The shelves will hold 270 books in total

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.