Because before we had pencils and paper, we counted on our fingers and toes,
of which most of us had ten each. By the time paper came along, we had this
perfectly good system worked out, and there was no need to change it.
(Microsoft had not been invented yet.)
Chat with our AI personalities
Presumably because the digits on their hands add up to 10
It is mainly because humans have ten digits: fingers and thumbs. As a result, from prehistoric times, one of our counting bases has been ten.
because humans have 10 fingers, in olden days they used to count using their fingers
decimal system
No. It uses ten digits and the decimal point: eleven symbols in all.