The answer is the square root of 4.
2 * 2 = 4
2 is a rational number; therefore, the square root of 4 is a rational number.
I think it is 9 6/9 but im not quite sure .
To find the volume of the picnic cooler, you multiply the three dimensions together.
(2 ft)(3 ft)(1 1/2 ft)
= (2 ft)(3 ft)(3/2 ft)
= 9 ft^3
The volume of the picnic cooler is 9 ft^3~
