Find the volume of a pyramid with a square base, where the side length of the base is 14.7\text{ in}14.7 in and the height of the pyramid is 21.3\text{ in}21.3 in. Round your answer to the nearest tenth of a cubic inch. pl hel

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?