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Underlining is used in questions asked about decimals, not in decimal notation.

A bar across the top of a decimal number means that the number (or numbers) are repeated infinitely as the decimal equivalent of a fraction, such as 1/3 (0.3333) or 1/7 (0.142857142857142857).

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11y ago

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Anonymous

4y ago
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Q: What are underlined digits in decimals?
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