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What are the last 5 digits of the sum 1+11+111+...+111...111? (111...111 has 2002 digits of 1)

What are the last 5 digits of the sum 1+11+111+...+111...111? (111...111 has 2002 digits of 1)
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What are the last 5 digits of the sum 1+11+111+...+111...111? (111...111 has 2002 digits of 1)

User Muhasturk
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1 Answer

4 votes
Depends. If you use it ten times, the last digits would be 011111
User Emiliya
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