Warm-Up Volume
Match each type of measurement with units that could be used to express it.
Perimeter
Area
inches
cubic feet
cubic meters
square units
Sq. ft

62926281916 inches of rain: )

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.