And upper a equals pe superscript rta=pert to solve the problem given. round answers to the nearest cent. find the accumulated value of an investment of $ 20 comma 000$20,000 for 44 years at an interest rate of 4 %4% if the money is a. compounded semiannually; b. compounded quarterly; c. compounded monthly d. compounded continuously.

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?