Final answer:
A repeating decimal is a decimal in which two or more numbers are repeated indefinitely.
Step-by-step explanation:
When decimals in which two or more numbers are repeated indefinitely, it is called a repeating decimal.
For example, the decimal 0.333... is a repeating decimal because the number 3 is repeated indefinitely. Similarly, the decimal 0.124124124... is a repeating decimal because the numbers 1, 2, and 4 are repeated indefinitely.
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