SOLUTION: find the solution of the exponential equation, rounded to four decimal places {{{(10/(1+e^(-x)))=2}}}.

SOLUTION: find the solution of the exponential equation, rounded to four decimal places {{{(10/(1+e^(-x)))=2}}}.

Algebra.Com

Question 849801: find the solution of the exponential equation, rounded to four decimal places
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Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
find the solution of the exponential equation, rounded to four decimal places

2+2e^-x=10
2e^-x=8
e^-x=4
e^x=1/4
take log of both sides:
xlne=ln(1/4)
lne=1
x=ln(1/4)=-1.3863
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