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Is 81 rational or inrational

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∙ 8y ago

Updated: 9/26/2023

81 is a rational number

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∙ 8y ago

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Is -81 is rational or irrational?

81*81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

Is the square root 81 rational or irrational?

The square root of 81 is 9, which is a whole number. Since all whole numbers are considered rational numbers (as they can be expressed as a fraction with a denominator of 1), the square root of 81 is rational.

Is sqrt 81 a irrational number?

No because the square root of 81 is 9 which is a rational number

Is the square root of 81 a rational number?

Yes. It's +9 and -9. They're both rational.

Is the square root of 81a rational number?

Yes. The square root of 81 is 9, which is a rational number.

Are integers inrational or rational?

Rational

Is 3.1415926 rational or inrational?

rational because it can be expressed as a fraction.

Is 5 rational or inrational?

5 is the ratio of 5 to 1, so it's nice and rational.

Is -81 is rational or irrational?

81*81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

Is the square of 81 a rational number?

The square root of 81 is 9 which is a rational number

Is the square root 81 rational or irrational?

Is the square root of 81 rational?

Yes. The square root of 81 is 9 - a natural number and all natural numbers are rational numbers.

Is negative 81 a rational number?

Yes, it is.

Is the root of 81 an irrational number?

No. The square root of 81 is 9, which is a rational number.

What is the value of n for which square root of n be a rational number?

n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.n is a square of a rational number. For example, 4 or 81, or 2.25 or 36/25.

Is 39.81 with a line over 81 irrational?

No, it is rational.

Is sqrt 81 a irrational number?

No because the square root of 81 is 9 which is a rational number

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