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

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Depending on the value of both numbers if one is zero it will be irrational.

Q: Does an irrational number times an irrational number equal an irrational number?

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Yes

The square root of 84 is irrational and is approx 9.1652.

That simply isn't true. The sum of two irrational numbers CAN BE rational, but it can also be irrational. As an example, the square root of 2 plus the square root of 2 is irrational.

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

No. 0.9 is rational. It is equal to 9/10.

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

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

Since pi is irrational, its product with any other number is also irrational. The only exception is a multiple of its own reciprocal.

No.

Yes, it will always be irrational.

Yes

The sum is irrational.

Yes, always.

The square root of 84 is irrational and is approx 9.1652.

The circumference of a circle divided by its diameter is equal to pi which is an irrational number.

It certainly is possible. For example, the square root of 2 times the square root of two is equal to two. Another example: pi multiplied by (1/pi) is equal to 1.Ans. 2No, it is not possible. The two 'counterexamples' above involve multiplying the irrational number by another irrational number. But, the question specifies multiplying the irrational number by a whole number other than zero. As long as you obey that restriction you are stuck with an irrational result.

An irrational number is a number that has no definite end. So it can't be multiplied or divided by anything to make a rational number that does have a definite end.