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No. "Pi", "e", and the square root of 2 are all real and irrational.

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โˆ™ 2011-08-17 20:14:43
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Q: Is every real number also a rational number?
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Related questions

Which number is an integer a rational number and a real number?

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


Can Every rational number is also a real number?

Yes, it is.


Is every rational number a real number also?

Yes.


Every rational number is a real number?

Yes it is, but not every real number is a rational number


Is every real number is rational?

No. Every real number is not a natural number. Real numbers are a collection of rational and irrational numbers.


What is a number that's real and rational?

Every rational number.


Is Every real number is also rational true or false?

False.


Is every real number an rational number or irrational number?

Numbers are split into real and imaginary. Rational numbers are under the category: Real. Therefore all rational numbers are real. An irrational number is also real, but can not be expressed as a fraction.


Is every real number a rational number?

No


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.


Is every rational number a real number?

Yes.


Is every irrrational number a real number?

Yes every irrational and rational number is a real number.


What numbers can be integers rational and real number?

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


Is every real number a counting number?

No. 3.6427 is real and rational, but not a counting number.


Is every Real number an irrational number?

No, a real number could also be a rational number, an integer, a whole number, or a natural number. Irrational numbers fall into the same category of real numbers, but every real number is not an irrational 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.)


Every integer is a complex number?

Yes. Every integer is a rational number. Every rational number is a real number. Every real number is a complex number. The complex numbers include all real numbers and all real numbers multiplied by the imaginary number i=sqrt(-1) and all the sums of these.


Is every real number either a rational number or an irrational number?

Yes.


Is every real number is either a rational number or an irrational number?

Yes.


Does every point on the real number line correspond to a rational number?

No. There are several real numbers that are not rational (e.g. pi). However, every rational number is also a real number. In general, whole numbers/natural numbers is a subset of the integers (i.e. every whole number is an integer), the integers is a subset of the rationals, the rationals are a subset of the real numbers. I think the real numbers are a subset of the complex numbers, but I'm not 100% positive on that.


Why the rational number 10 is also a real number?

Rational numbers are a proper subset of real numbers so all rational numbers are real numbers.


Why is .66666 not a real number?

It IS a real number.It's also rational.


Is 1.1616616661 a real number?

1.1616616661 is a real number, and it's also a rational number.


Is every rational number corresponds to a point on the real number line?

Yes.


Does every rational number correspond to a point on the real number line?

Yes.