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0.3 is rational. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.

Q: Is 0.3 a rational or irrational?

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No. A rational plus an irrational is always an irrational.

rational

The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.

It is always irrational.

yes * * * * * No. Rational and irrational numbers are two DISJOINT subsets of the real numbers. That is, no rational number is irrational and no irrational is rational.

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If x is rational the it is rational. If x is irrational then it is irrational.

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No. A rational plus an irrational is always an irrational.

They can be rational, irrational or complex numbers.They can be rational, irrational or complex numbers.They can be rational, irrational or complex numbers.They can be rational, irrational or complex numbers.