Q: How do you convert a rational number into a decimal?

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Rational numbers are not usually rounded - their decimal equivalents are. So convert a rational into its decimal equivalent and then round it to however many places that you want.

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.

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

A decimal need not be a rational. A non-terminating, non recurring decimal is an irrational number. Only a terminating decimal or a recurring decimal is rational and that is because such a number can be expressed as a ratio of two integers.

That is the definition of a rational number.

Related questions

0.1 is equivalent to 1/10 which is a rational number

In most cases, you cannot.

Set the decimal in the form p/q, where p and q are integers.

Rational numbers are not usually rounded - their decimal equivalents are. So convert a rational into its decimal equivalent and then round it to however many places that you want.

You can round the decimal fraction to a suitable level of accuracy. Alternatively, you can convert the number to a rational fraction.

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.

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

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.

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

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.

Decimals are real. They can be rational or irrational.

A number with a finite number of decimal digits is always rational. (If the number of decimal digits is infinite, the number is rational only if there is a repeating pattern.)