i write out all the whole numbers,starting from 1,If i wrote 1994 digits altogether,what was the last complete number i wrote down
1 - 9 = 9
10 - 99 = 90
100 - 999 = 900
1994 - 999 = 995
Take it from there.
10 - 99 = 90
100 - 999 = 900
1994 - 999 = 995
Take it from there.