SOLUTION: i have to use logrithms to solve the folowing equation, correct to 4 significant figures 4=32(1-2x) the brackets are small if that makes a diference

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Question 702269: i have to use logrithms to solve the folowing equation, correct to 4 significant figures 4=32(1-2x) the brackets are small if that makes a diference
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
I think you meant:
4=32%5E%281-2x%29
take log base 32 of both sides:
log%2832%2C4%29+=+log%2832%2C32%5E%281-2x%29%29
log%2832%2C4%29+=+%281-2x%29
log%284%29%2Flog%2832%29+=+1-2x
0.4+=+1-2x
-0.6+=+-2x
0.3+=+x
to 4 significant figures:
0.3000+=+x