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A recurring decimal is shown by a dot over a recurring single digit, or a dot over the first and a dot over the last of a sequence of recurring digits.

eg 1/3 = 0.333... would be written as 0.3 with a dot over the 3;

eg 1/6 = 0.1666... would be written as 0.16 with a dot over the 6;

eg 2/11 = 0.181818... would be written as 0.18 with a dot over the 1 and another dot over the 8;

eg 5/37 = 0.135135135... would be written as 0.135 with a dot over the 1 and another dot over the 5;

eg 1/7 = 0.142857142857142857... would be written as 0.142857 with a dot over the 1 and an other dot over the 7.

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Q: What is the symbol for recurring decimals?
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