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

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Solve the equation. Use the change of base formla to approximate exact answers to the nearest hundredth when appropriate. e^(-x)= 1/2      Log On

Hi



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

               -.69 = -x

                 .69 = x