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The product of 0 and an irrational is 0 (a rational), the product of a non-zero rational and any irrational is always irrational.

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โˆ™ 2016-10-13 10:09:24
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Q: What does a rational number times an irrational number equal?
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Related questions

Does a rational number times an irrational number equal a rational number?

No. If the rational number is not zero, then such a product is irrational.


Is the product of a rational number and irrational number always rational?

No.A rational times an irrational is never rational. It is always irrational.


What is the result of an irrational number times an rational number?

Unless the rational number is zero, the answer is irrational.


Is a rational number times a irrational number?

Can be irrational or rational.1 [rational] * sqrt(2) [irrational] = sqrt(2) [irrational]0 [rational] * sqrt(2) [irrational] = 0 [rational]


Is the product of a rational number and an irrational number an irrational?

Not necessarily. 0 times any irrational number is 0 - which is rational.


Why the product of nonzero rational number and a rational number is an irrational?

Actually the product of a nonzero rational number and another rational number will always be rational.The product of a nonzero rational number and an IRrational number will always be irrational. (You have to include the "nonzero" caveat because zero times an irrational number is zero, which is rational)


Does an irrational number times an irrational number equal an irrational number?

Not always. For example sqrt(2) and 1/sqrt(2) are both irrational, but their product is the rational number 1.


Is 75 rational or irrational?

75 times 75 = 5625 which is a rational number


Why the area of a circle with a rational radius must be an irrational 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.


Is 3 times pi over two rational?

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


Can you multiply an irrational number times an irrational number and get a rational number?

Well, (pi) x (1/pi) = 1 .


Is 15 times pi a rational number?

No because 15 times pi is an irrational number

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