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A rational number is one that can be expressed as a ratio of two integers, the second of which is not zero. An irrational number is any real number that is not rational.

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Q: What is the definition of irrational number and a rational number?
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Why is 4.323223222 an irrational number if you can predict what comes next?

Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.


Definition of irrational and rational?

A rational number is one that can be expressed as the ratio of two integers with the denominator not being zero. An irrational number is one that is not rational.


What is the definition of irrational?

A rational number is one that can be expressed as a ratio of two whole numbers (like a fraction). An irrational number is a real number that is not rational.


Why can't numbers be both rational and irrational?

By definition, an irrational number is a number that is not rational, or in other words a number that cannot be expressed as an integer divided by another integer. A number cannot be both "rational" and "not rational."


What is a good definition of irrational numbers?

A real number that can not be expressed as a rational number.