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Bill wrote all the numbers from 1 to 1000. how many digits did he write down?
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Bill wrote all the numbers from 1 to 1000. how many digits did he write down?

User Atsby
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1 Answer

7 votes
7 votes

Answer:

  • 2890 digits

--------------------------

One - digit numbers

  • 1 to 9 ⇒ 9 numbers

Two - digit numbers

  • 10 to 99 ⇒ 100 - 10 = 90

Three - digit numbers

  • 100 to 999 ⇒ 1000 - 100 = 900

Four - digit number

  • 1000 ⇒ 1

Number of digits

  • 1*9 + 2*90 + 3*900 + 1 = 2890
User Mdatsev
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