A right rectangular prism has a square base and a height of 8 feet. Its volume, V, is 128 cubic feet. What is the length of s, the sides of the base?

there isnt multiple choice answers i have to figure it out myself... pls help me

21/2 or 5/2

Dis the correct answer

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.