chrjergre7249 chrjergre7249
  • 10-01-2018
  • Mathematics
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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?

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Аноним Аноним
  • 10-01-2018
from numbers 1 to 9  =    9 digits
 ..        ....  ....  10-99  = 2*100 =200 digits
  ..  ..  .. .. ...   100-699 = 3*600 = 1800 digits
   Total = 2009 digits

2009 - 1994  = 15 digits  less which = 5 numbers

So the last number would be 699 - 5 = 694


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