Given the following measurements, calculate the minimum and maximum possible areas of each object. Round your answer to the nearest square whole square unit.
9.
The length and width of a book cover are 22.2 centimeters and 12 centimeters, respectively.

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?