Q: Is 86 irrational

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Its square root an irrational number and it is about 9.3 rounded to one decimal place

The square root of 86 is approximately 9.2736. To find this, you can first estimate the square root of 86 to be between 9 and 10. Then, using a method like the Babylonian method, you can iteratively refine your estimate until you reach a desired level of accuracy.

yes

Yes. The sum of two irrational numbers can be rational, or irrational.

It is always irrational.

Related questions

Rational

Its square root an irrational number and it is about 9.3 rounded to one decimal place

The square root of 86 is approximately 9.2736. To find this, you can first estimate the square root of 86 to be between 9 and 10. Then, using a method like the Babylonian method, you can iteratively refine your estimate until you reach a desired level of accuracy.

Irrational. Irrational. Irrational. Irrational.

It is irrational.

Rational

Such a sum is always irrational.

If it says "negative irrational", then obviously it is irrational.

No

The square root of 94 is an irrational number

irrational

yes