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Because it can be expressed as a fraction in the form of 8/21
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∙ 10y ago
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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.
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 21 a rational or irrational number?
21 is a rational number.
Is 8 over 21 rational?
Yes, any integer over any other integer (except zero) is always a rational number.
Is 8 over 21 a rational or irrational number?
Any number that is presented as an integer "over" (aka divided by) an integer is automatically a rational number - that's what the definition of a rational number is.
Is the square root of 21 rational?
No, they are not.
Is -8 rational number?
Yes, -8 is a rational number
Is -8 a rational or irrational number?
rational. The fact that you could write it out in a fraction proves that it is.
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 0.36 rational or irrational?
Rational.
Is 21 over 3 a rational or irrational number?
21/3 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 64 rational or irrational?
Rational. It is a perfect square with answer exactly 8The square root of 64 is the integer 8 (8 x 8 = 64) so it is rational.
