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Any number that you can completely write down with digits is rational.

A rational number is a number that can be expressed as the ratio of

two whole numbers.

0.388888 is the ratio of 388,888 to 1,000,000 . (48,611 to 125,000.)

If the decimal had gone on forever with an infinite number of 8s, then the

number would have been 3/18 ... which is also rational even though the

decimal never ends. A decimal that ends is always a rational number.

A decimal that never ends might or might not be a rational number.

Q: Is 0.3888888 rational or irrational

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

rational

It is always irrational.

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

Rational. Rational. Rational. Rational.

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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.