Question

solve for x.
(1/3)^x=724

Answer 1

that is the same as 3^(-x) = 724

Answer 2

ok ... wat do u do next?

Answer 3

Take the log of both side at base 3 and rearrange the equation so the -x is positive

Answer 4

you should end up with
\[-x = \log_{3}724\]

If you want the approximate answer using your calculator

simply use the log button and type in 724, then you divide it by log(3) to get the answer

Answer 5

thank you so much! :)

Answer 6

so it will be 5.9937