Ona436
Ona436 Ona436
  • 02-09-2014
  • Mathematics
contestada

A base 7 three-digit number has its digits reversed when written in
base 9. Find the decimal representation of the number.

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SecretIndex
SecretIndex SecretIndex
  • 02-09-2014
155, since 281 in base 7 is equal to 182 in base 9.
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