Yes. It's +9 and -9. They're both rational.
Yes. The square root of 81 is 9, which is a rational number.
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.
No because the square root of 81 is 9 which is a rational number
Integer, rational, and real.
The square root of 6561 is 81
The square root of 81 is 9 which is a rational number
Yes. The square root of 81 is 9, which is a rational number.
No. The square root of 81 is 9, which is a rational number.
Yes. The square root of 81 is 9 - a natural number and all natural numbers are rational numbers.
No because the square root of 81 is 9 which is a rational number
No. The square root of 81/(-3) is rational. The square root of [81/(-3)] is imaginary (a kind of complex number).
Integer, rational, and real.
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.
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.
The square root of 6561 is 81
The square root of any number between 64 and 81.The square root of any number between 64 and 81.The square root of any number between 64 and 81.The square root of any number between 64 and 81.
3 is the square root of 9. 9 is a square number. 9 is the square root of 81. 81 is a square number.