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Q: Why is pi rational?

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e^pi ~ 23.14069.............., not rational

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) .

No, it is not.

Pi is irrational.

No 10*pi is not a rational number because it can't be expressed as a fraction

No.

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

No.

Pie is not a ratio

No, it is not.

No, it is not.

It is irrational, just like pi

No. For example, pi/2 is a fraction which is not rational.

Yes. 2*pi is irrational, pi is irrational, but their quotient is 2pi/pi = 2: not only rational, but integer.

Minus pi. Or minus pi plus any rational number. Here is how you can figure this out (call your unknown number "x", and let "r" stand for any rational number):x + pi = r To solve for "x", simply subtract pi from both sides. That gives you: x = r - pi

No; since pi is irrational if you multiply it by a rational number it is still irrational

Assuming that you mean pi, and not pie, it is not a rational number.The set of rational numbers is a field and this means that for every non-zero rational number, there exists a multiplicative inverse in the setand also, due to closure, the product of any two rational numbers is a rational number.Now suppose 7*pi were rational.7 is rational and so there is its multiplicative inverse, which is (1/7).(1/7) is also rational so (1/7)*(7*pi) is rationalBut by the associative property, this is (1/7*7)*pi = 1*pi = pi.But it has been proven that pi is irrational. Therefore the supposition must be wrong ie 7*pi is not rational.

Consider pi and 4 - pi. 4 - pi + pi = 4, which is clearly rational. However, both pi and 4 - pi are irrational, as you can verify. plz to be lerning numburs Then consider pi + pi = 2pi, which is clearly irrational. The sum of two irrational numbers, therefore, may or may not be rational.

pi is irrational so that's impossible

no every periodic number is rational but pi is irrational