Use these true equations to help you answer the questions that follow. 20 x 30 = 600
20 x 5= 100
20 x 2 = 40
20 x 37 = 740
Part A
What number goes in the empty box to make the equation true?
740 - 20 =
Enter your response in the first response box.
Part B
What number goes in the empty box to make the equation true?
700+ (20 x 0) = 740
Enter your response in the second response box.

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- 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. 3- 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 part b?