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

Q: Every rational number is a real number?

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False.

No. Though every perfect square is a rational number, not every rational number is a perfect square. Example: 2 is a rational number but sqrt(2) is not rational, so 2 is not a perfect square.

Every rational number does.

Every rational number does.

There is no such thing as a number that is both rational and irrational. By definition, every number is either rational or irrational.

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

Every rational number.

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

No

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.

Yes every irrational and rational number is a real number.

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

Yes.

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

Yes, it is.

Yes.

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.