Q: Is 2 13 a rational number why or why not?

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

13 is rational

There are an infinite number of rational numbers between any two rational numbers. And 2 and 7 are rational numbers. Here's an example. Take 2 and 7 and find the number halfway between them: (2 + 7)/2 = 9/2, which is rational. Then you can take 9/2 and 2 and find a rational number halfway: 2 + 9/2 = 13/2, then divide by 2 = 13/4. No matter how close the rational numbers become, you can add them together and divide by 2, and the new number will be rational, and be in between the other 2.

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

No because it can be expressed as a negative fraction in the form of -13/2

Related questions

Yes

No. If you divide an integer by another integer, you get a rational number, by definition.13/2 is rational because it is a ratio of two integers.

-13 is a rational number

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

13 is rational

There are an infinite number of rational numbers between any two rational numbers. And 2 and 7 are rational numbers. Here's an example. Take 2 and 7 and find the number halfway between them: (2 + 7)/2 = 9/2, which is rational. Then you can take 9/2 and 2 and find a rational number halfway: 2 + 9/2 = 13/2, then divide by 2 = 13/4. No matter how close the rational numbers become, you can add them together and divide by 2, and the new number will be rational, and be in between the other 2.

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

-13/12 is a rational number

Yes 13/19 is rational because any number that can be expressed as a fraction is a rational number

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

No because it can be expressed as a negative fraction in the form of -13/2

It is a rational number