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Earn +20 ptsQ: Why is 8 out of 21 not rational?
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Is 8 out of 21 rational?
no it is not
Is 8 over 21 a rational number Yes or no?
ANY number that you can write as a fraction (with whole numbers top and bottom) is rational.
Is the square root of 21 rational?
No, they are not.
Is 21 out of 71 rational or irrational?
21/71 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
Is the number 8 rational or irrational?
It is rational.
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