Question

solve. e^-2x=0.3

help please!

Answer 1

e^(-2x) = 0.3

ln( e^(-2x) ) = ln(0.3)

-2x*ln( e ) = ln(0.3)

-2x*1 = ln(0.3)

-2x = ln(0.3)

Keep going to solve for x

Answer 2

i got X=.60198

Answer 3

well rounded .6020 that look about right?

Answer 4

I'm getting that too

Answer 5

ok awsome thank you

Answer 6

if you wanted the approximate answer, then it would be that

if you want the exact answer, then it's just \[\Large x = -\frac{\ln(0.3)}{2}\]

Answer 7

ok thank you the above one was fine tho i appreciate your help

Answer 8

np