Question

Find an approximate solution to the equation e^(x-9)=1/10

Answer 1

Did you take the natural log of both sides?

Answer 2

e^(x-9)=1/10
ln both sides

ln e^(x-9)=ln1/10
(x-9)lne=-2.3

lne=1

x-9=-2.3
x=-2.3+9
x=6.7