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Actually there are more Irrational Numbers than rational numbers.

Most square roots, cubic roots, etc. are irrational (not rational). For example, the square of any positive integer is either an integer or an irrational number.

The numbers e and pi are both irrational. Most expressions that involve those numbers are also irrational.

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โˆ™ 2011-02-22 17:49:14
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Q: Which is a real number that is not a rational number?
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Related questions

If a number is a real number then is it a rational number?

Not necessarily. All rational numbers are real, not all real numbers are rational.


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Yes, 34 is a real and rational number


What is the relationship of rational numbers and real number?

The set of rational numbers is a subset of the set of real numbers. That means that every rational number is a real number, but not every real number is rational. The square root of 2 is an example of a real number that isn't rational; that is, it can't be expressed as the quotient of two integers.


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Real number, Rational Number


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Every integer is also a rational number and a real number.


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A real number dosen't have to be a rational number as a real number can be rational or irrational i.e the root of 2 is irrational and real. So is (pi).


Is a real number always sometimes or never a rational number?

Sometimes. The number '4' is real and rational. The number 'pi' is real but not rational.


Can a real number that is not a rational number is a?

A real number which is not a rational number is an irrational number.


Is -5 over 8 a real number or an integer or a rational number or an irrational number?

It is a real and rational number.


Is a real number sometimes a rational number?

Infinitely rarely, a real number is also a rational number. (There are an infinite number of rational numbers, but there are a "much bigger infinity" of real numbers.)


What is the relationship between real number and rational number?

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Every rational number.


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What is the definition of the word real number?

a real number is a rational number or the limit of a sequence of rational numbers, as opposed to a complex number.


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Every counting number, and the negative of it, are real, rational integers.


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