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Why is a decimal rational?

Updated: 8/21/2019

Wiki User

∙ 7y ago

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Some decimals are rational, and some aren't. A decimal is rational when it terminates or repeats.

Wiki User

∙ 7y ago

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Wiki User

∙ 7y ago

It is a number whose decimal representation terminates or, after a finite number of digits, starts repeating.

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Q: Why is a decimal rational?

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Related questions

Is a repeating decimal rational or irrational?

A repeating decimal is rational.

Is 4.101010001 a rational nummber?

It is rational because it is a terminating decimal

Is 8.56909 a rational or irrational decimal?

Any terminating decimal is rational. So are repeating (periodic) decimals.Any terminating decimal is rational. So are repeating (periodic) decimals.Any terminating decimal is rational. So are repeating (periodic) decimals.Any terminating decimal is rational. So are repeating (periodic) decimals.

A decimal that can be written into a fraction is called?

The decimal representation of a rational number.

Is 8.2 a rational number?

Yes. Any terminating decimal is a rational number. Any repeating decimal also.

Is 0.454545... an irrational number?

No. It is a rational number. Any repeating decimal or terminating decimal is rational.

is 27.5 rational or irrational?

It is rational. An irrational number is a number that you cannot define by a fraction or a decimal. Since you wrote it as a decimal, it is rational.

Is decimal a rational number?

It depends. A terminating decimal is a rational number. A decimal which, after a finite number of places, becomes a repeating (or recurrent) decimal is also a rational number. A decimal that is not terminating, nor [eventually] settles into a recurring pattern is not a rational number. Note that the decimal need not become recurring immediately.

Is the decimal 1236 irrational or rational?

rational

Is 0.5 a rational or irrational decimal?

Rational.

is 0.313111331 a rational or irrational number?

It is rational. An irrational number is a number that you cannot define by a fraction or a decimal. Since you wrote it as a decimal, it is rational.

What are the difference between decimal in rational and decimal in irrational?

A decimal rational number can be expressed as a fraction A decimal irrational number can not be expressed as a fraction

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