Pick a number 1 through 20. Now do it again. Now do it a third time. I am going to write
down my prediction of what numbers you
picked. Assuming no magic was used, what is
the probability I guessed right? Put your
answer in fraction form. (Note: Numbers CAN
be used more than once.)

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: