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How can you know that a number is rational?

Anonymous

∙ 13y ago

Updated: 9/20/2023

A number is rational if it has a pattern or it comes to an end.

Wiki User

∙ 13y ago

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Q: How can you know that a number is rational?

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How do you know if a whole number is rational or irrational?

It is always rational.

If you do not know the square root of a really big number how do you know if its rational?

Assuming your number is an integer: if the number is a perfect square, the number is of course an integer, and therefore rational. If the number is NOT a perfect square, it is irrational.

How do you know if a number rational or irrational?

If it can be expressed as a ratio of two integers, p and q (q not 0) then it is rational. Except in some trivial cases, it is not easy to know if a number is not rational - and is therefore irrational.

What are a lot of examples of rational numbers?

That's a tough question. I know what a rational number is,but I don't know how many is 'a lot'.Here are several:122.7182833.1415926544.74.074.0073/3232/3Here's a secret: ANY number that you can completely write downon paper with digits is a rational number. Go to it !

Is 11 squared rational or irrational?

It's the ratio of 121 to 1, so it's rational. I think the square of any rational number is a rational number. In fact, I'm sure of it, because I know how I could prove it.

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