SOLUTION: I need help with this Log, I asking for help in the logarithm area about 5 days ago but nothing. If someone help I appreciate I have this asig for tomorrow in the morning. Please

Question 123966: I need help with this Log, I asking for help in the logarithm area about 5 days ago but nothing. If someone help I appreciate I have this asig for tomorrow in the morning. Please
2.8=-log 3.5
----
Q
PLEASE!!!!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Assume you mean:
:
2.8 = - and you want to find Q
:
Multiply the equation by -1 to put the negative on the left
-2.8 =
:
Find the anti-log of both sides; of -2.8 = .001585
:
.001585 =
:
Multiply both sides by Q
.001585*Q = -3.5
:
Q =
:
Q = 2208.2
:
:
Check on a good calc: enter: log(3.5/2208.2) = -2.79997 ~ -2.8
:
It may be that the tutors weren't quite sure how it meant to be.

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