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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 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.
Is -81 an irrational number?
No, -81 is not an irrational number because it can be represented in the form x/y = -81
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 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 the number 81 rational?
Yes and it is also a square number because 9*9 = 81
Is sqrt 81 a irrational number?
No because the square root of 81 is 9 which is a rational number
