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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 irrational?
no. it is 9
Is the square root of 81 an irrational number?
No
Is the square root of 81a rational number?
Yes. The square root of 81 is 9, which is a rational number.
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 of -81 rational or irrational?
Since it is the square root of a negative number, it is actually imaginary, neither rational nor irrational. It is equal to 9i, or 9 times whatever the square root of negative one is.square root of -81 = square root of 81 times i = 9i
Is the root of 81 an irrational number?
No. The square root of 81 is 9, which is a rational number.
Is the square root of of 81 over negative three irrational?
No. The square root of 81/(-3) is rational. The square root of [81/(-3)] is imaginary (a kind of complex number).
Is sqrt 81 a irrational number?
No because the square root of 81 is 9 which is a rational number
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 of 81 a rational number?
The square root of 81 is 9 which is a rational number
Is the square root of 81 irrational?
no. it is 9
Is the square root of 81 an irrational number?
No
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 the square root of 81a rational number?
Yes. The square root of 81 is 9, which is a rational number.
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.
Which type of number is square root of 81?
Integer, rational, and real.
