Verified answer

1/2 = e^(0.693)

which is not true.

did you mean

ln(1/2) = -0.693?

ln (1/2) = .693

e^.693 = 1/2

By the way ln (.5) = -.693

It is easier to understand if I don't use e

10^2 = 100 is the same as

log(10) 100 = 2