-Obligation t1_ix48pey wrote on November 20, 2022 at 5:12 PM Reply to eli5 why is 9 the last number? and why then we use 10 and repeat in sets of 10? by anujshr7 We have ten fingers. This simple convenience overtook other methods of counting (by twenties, etc). Permalink 3
-Obligation t1_ix48pey wrote
Reply to eli5 why is 9 the last number? and why then we use 10 and repeat in sets of 10? by anujshr7
We have ten fingers. This simple convenience overtook other methods of counting (by twenties, etc).