If you write the numbers 1, 2, 3, ..., 10, 11, 12, ..., 99, 100, ..., what is the 100th digit you write?
1- 9 9 digits
91 digits left
or 45 two digit numbers PLUS 1 more digit
10 - 54 is 45 two digit numbers the next digit you write would be 5 ( the first 5 in 55)
1- 9 9 digits
91 digits left
or 45 two digit numbers PLUS 1 more digit
10 - 54 is 45 two digit numbers the next digit you write would be 5 ( the first 5 in 55)