Converting a rational number to a decimal using long division. For example if you have a rational number of 2/5 you would set up the equation as 2 divided by 5 which requires long division. The answer to this would then be the decimal number 0.4.
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No. It is a rational number. Any repeating decimal or terminating decimal 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.)
It is still a rational number.
No. A rational number is any terminating numeral. A repeating decimal is irrational.