amberricour amberricour
  • 21-11-2016
  • Mathematics
contestada

solve: log 3=.5, then log 1/9=?

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HomertheGenius
HomertheGenius HomertheGenius
  • 24-11-2016
If we know that log 3 = .5, we have to solve:
log 1/9 = ?
log 1/9 = log 3^(-2) = -2 * log 3=                ( because: log x^n = n log x )
- 2 * .5 = - 1
Answer: log 1/9 = - 1 
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