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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.

real number

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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.

No

Every integer is also a rational number and a 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.

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.

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.

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