Posted by **Chris** on Wednesday, June 17, 2009 at 12:28am.

Is the answer to this problem correct? I'm not sure and I want to make sure I do well on the test.

Evaluate the following logarithms given log 4/log a = .321

The answer my teacher gave me was 0.963.

What is the reasoning behind the answer?

- trig -
**drwls**, Wednesday, June 17, 2009 at 12:43am
What is the base of your logarithms? 10? Are you supposed to evaluate a ?

I don't see how to get a = 0.963

- trig -
**Reiny**, Wednesday, June 17, 2009 at 12:44am
are you solving for a ?

log 4/log a = .321

log a = log 4/.321

log a = 1.875576

a = 10^1.875576

= 75.089

check

log 4/log 75.089 = .321

- trig -
**Bailey**, Wednesday, June 17, 2009 at 12:50am
Is your question evaluate a given that log4/loga=0.321?

if that's the case, then the answer is wrong.

- trig -
**Chris**, Wednesday, June 17, 2009 at 1:18am
Yeah, it was to solve for A.

I assumed it was to multiply by 3. Seeing as 4^3 = 64.

log(sub a) 4 = .321

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