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

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asked Nov 9, 2017 79.4k views

1 Answer

Shortduck · Answer 1 · 2017-11-15T20:41:05+0000

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

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

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