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Yes and it is also a square number because 9*9 = 81
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∙ 11y ago
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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.
