Question

why was speaker hesitant( the childhood )
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Answer 1

Answer:

2889 digits

We know that there are 2889 digits needed to write down all the numbers from 1 to 999. If we continue from here writing down the numbers up to 9999, we have 9000 numbers, each requiring 4 digits, so the number of digits needed to write all the numbers from 1 up to 999 is 2889 + 4 × 9 × 1000.