Is the number 81 rational

Anonymous

∙ 12y ago

Updated: 8/20/2019

Yes and it is also a square number because 9*9 = 81

Wiki User

∙ 12y ago

What else can I help you with?

Is 81 rational or inrational?

81 is a rational number

Is the square of 81 a rational number?

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

Is the root of 81 an irrational number?

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

Is 81 a rational number?

Yes. 81 is a:- Real number - Rational number - Integer - Natural number - Counting number - Square number - Odd number

Is negative 81 a rational number?

Yes, it is.

Is sqrt 81 a irrational number?

No because 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 the square root of 81a rational number?

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

Is -81 an irrational number?

No, -81 is not an irrational number because it can be represented in the form x/y = -81

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 81 a irrational number?

No. 81 is a rational number. An irrational number is a number with an endless amount of digits like pi or the square root of 2.

Is the square root of 81 a rational number?

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

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