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81*81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.

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∙ 13y ago

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Is 9 squared rational or irrational?

81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Is 39.81 with a line over 81 irrational?

No, it is rational.


Is the root of 81 an irrational number?

No. 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 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 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 the square root 81 rational or irrational?

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.


Is 4.6 irrational or rational?

4.6 is rational.


Is 37.5 a rational or irrational number?

Rational


Is 34.5 rational or irrational?

34.5 is RATIONAL. Irrational numbers are those were the decimals go to infinity AND there is no regular order in the decimal numbers. Definitively an Irrational Number CAnnot BE CONVERTED TO A quotient/ratio/frACTION pi = 3.141592.... is the most well known irrational number. So 34.5 is rational 34.55555..... is rational (gOES TO INFINITY ; numbers in regukar order). 34.565656.... is Rational (Goes to infinity ; numbers in regulkar order). et seq., The dots after the number mean it continues to infinity . However, 34.25865414..... is Irrational . Because there is no regular order in the decimal digits.


Is 2.717711777 rational or irrational?

Rational.