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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 or irrational number?
81 as well as all whole numbers are rational numbers. Any number that can be written as a fraction is a rational number. An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point. An example of an irrational number would be pi: π = 3.141592…
The sum of a rational number and an irrational number is?
The sum of a rational and irrational number must be an irrational number.
Whether a rational number multiplied by an irrational number gives an irrational number?
rational * irrational = irrational.
Is 3.56 an irrational number?
No, 3.56 is not an irrational number. 3.56 is rational.
Is -81 an irrational number?
No, -81 is not an irrational number because it can be represented in the form x/y = -81
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 root of 81 an irrational number?
No. The square root of 81 is 9, which is a rational number.
Is the square root of 81 an irrational number?
No
Is sqrt 81 a irrational number?
No because the square root of 81 is 9 which is a rational number
Is 81 a rational or irrational number?
81 as well as all whole numbers are rational numbers. Any number that can be written as a fraction is a rational number. An irrational number can be written as a decimal, but not as a fraction. An irrational number has endless non-repeating digits to the right of the decimal point. An example of an irrational number would be pi: π = 3.141592…
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 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 the square root of 81 irrational?
no. it is 9
What is the sum of an rational number and irrational number?
An irrational number.
Is 39.81 with a line over 81 irrational?
No, it is rational.
Is an irrational number plus an irrational number rational?
No. The sum of an irrational number and any other [real] number is irrational.
