But what's the big deal with dividing by ten?
If we used base twelve(two extra symbols) then dividing by twelve would be the big deal. People would say "Wise up, man, just move the duodecimal point."
It won't happen.
I've got a Japanese import vehicle,
odometer in km.
I buy petrol in litres.
! I still want to know how many miles it does to the gallon.