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

Q: Is -1.3 a rational or irrational number?

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13 is rational

13 is the ratio of 13 to 1 ... nice and rational.

13 is the ratio of 13 to 1, so it's rational.

Irrational.

The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.

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It is a rational number

13 is rational

-13 is a rational number

13 is the ratio of 13 to 1 ... nice and rational.

5.4 = 5 2/5 = 27/5 so it is a rational number.

13 is the ratio of 13 to 1, so it's rational.

The square root of 13 is irrational. All square roots of whole numbers are irrational unless the number is a perfect square.

-13 is rational and an integer.

10.01 is a rational number

13/24 is a rational number

Rational

It is a rational number.