e^pi ~ 23.14069.............., not rational
Pi is not rational it is irrational because it does not stop or repeat
3.14 is a rational number pi is not. pi is not 3.14
(pi) itself is an irrational number. The only multiples of it that can be rational are (pi) x (a rational number/pi) .
Pi is irrational.
No 10*pi is not a rational number because it can't be expressed as a fraction
No, it is not.
Yes. For example, if you take any truncated equivalent of pi then it will be rational.
No 22*pi is not a rational number
It the radius is r then the area is pi*r*r - which is pi times a rational number. pi is an irrational number, so the multiple of pi and a rational number is irrational.
Any multiple of or addition to or subtraction from PI is an irrational number. PI divided by PI is 1, a rational number. So is PI times 0 = 0