Helppp I need this done ASAP teacher will kill me:(

Geometric pattern of 2 i’m guessing. not really sure about what you’re asking but i hope this !

2160ft^3 i think you could use a formala to you out with this in the future

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.