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Earn +20 ptsQ: Is -81 an irrational number
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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 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 irrational?
no. it is 9
What is the sum of an rational number and irrational number?
An irrational number.
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