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anujshr7 OP t1_ix3yy2o wrote

Reply to comment by UltraGucamole in eli5 why is 9 the last number? and why then we use 10 and repeat in sets of 10? by anujshr7

Ok

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homeboi808 t1_ix3zorv wrote

We didn’t always; many humans used to use “12” instead of 10, hence why times and calendars are all based off 12 (but still relating to hands, they counted each segment of the thumb, so 8 from the others fingers and 4 from the thumbs).

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