SOLUTION: Solve the equation. Use the change of base formla to approximate exact answers to the nearest hundredth when appropriate. e^(-x)= 1/2

Question 433021: Solve the equation. Use the change of base formla to approximate exact answers to the nearest hundredth when appropriate.
e^(-x)= 1/2
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi



 e^(-x)= 1/2 = ln(.5) = -x

               -.69 = -x

                 .69 = x 

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