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Answered 2013-04-22 02:26:42

They are not. Sometimes they are irrational. Irrational Numbers cannot be expressed as a fraction.

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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.


Is a real number always irrational?

Real numbers can be rational or irrational because they both form the number line.


Is every rational number a real number true or false?

Yes. Rational numbers are always the quotient of two integers. Integers are always real, and you cannot divide a real number by another real number and get an imaginary number. So, true.


Is real number is always a rational number?

No,, not always. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Is a rational number a real number?

Yes, a rational number is a real number. A rational number is a number that can be written as the quotient of two integers, a/b, where b does not equal 0. Integers are real numbers. The quotient of two real numbers is always a real number. The terms "rational" and "irrational" apply to the real numbers. There is no corresponding concept for any other types of numbers.


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.


Is the quotient of two rational numbers always a real number?

A real number is any number so yes it is always a real number * * * * * Except if the second number is 0, in which case the quotient is not defined.


Are there real number that are not rational number?

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 natural number always a rational number?

A natural number is always a rational number .


Is a decimal a considered a real number and a rational number?

Decimals are real. They can be rational or irrational.


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 a rational number always a rational number?

As much as, in these days of uncertainty, anything can be anything. As long as the constraints of a rational number are kept to, a rational number will always remain a rational number.


Every rational number is a real number?

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


Is a rational number always a real number?

Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Is rational number always a real number?

Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Is the product of a rational number and irrational number always rational?

No.A rational times an irrational is never rational. It is always irrational.


Is -3 a rational number and a real number?

Yes. -3 is both rational and real. -3 is an integer. All integers are rational numbers. All rational numbers are real numbers. Thus -3 is a rational number and a real number.


Is 34 and real and rational number?

Yes, 34 is a real and rational number


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

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



Is The difference of two real numbers always an irrational number?

No. 5 and 2 are real numbers. Their difference, 3, is a 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 49.9 million?

It is a number. A counting number, an integer, a rational number, a real number, etc.It is a number. A counting number, an integer, a rational number, a real number, etc.It is a number. A counting number, an integer, a rational number, a real number, etc.It is a number. A counting number, an integer, a rational number, a real number, etc.


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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