Seudónimo Seudónimo
  • 02-07-2020
  • Mathematics
contestada

100 pts. This is an assignment because multiple people asked this question. Find the sum of the digits of the number 6+66+666+6666 + ... +666...66, where the last number contains 100 digits.

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lucasella
lucasella lucasella
  • 02-07-2020

The  answer is attached.

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carrotsk1234 carrotsk1234
  • 23-07-2020

Answer:

(20/27)(10^100 - 1) -200/3

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