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Q: Is 84 an irrational number

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No because 84/12 = 7

No. The square root of 84 is an irrational number

The square roots of 84 are irrational.

It is not an irrational number!

When added to a rational number, any irrational number will produce an irrational number.also, when added to an irrational number, any rational number will produce an irrational number.

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No because 84/12 = 7

No. The square root of 84 is an irrational number

√84 is irrational.

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

The square roots of 84 are irrational.

If you mean 84 squared then it is 84*84 = 7056 If you mean the square root of 84 then it is 2 times the square root of 21 which is an irrational number

irrational

No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number

It is: 2 times the square root of 21 and it's an irrational number

An irrational number.

No. The sum of an irrational number and any other [real] number is irrational.

The sum of a rational and irrational number must be an irrational number.

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