
Por WESLEY CALDEIRA SANTANA em 16/09/2018 11:48:48
5^x = 48000 = 48•10^3 = 2^4•3•10^3
x log(5) = 4 log(2) + log(3) + 3
x log(10/2) = = 4 log(2) + log(3) + 3
x ( 1 – log(2)) = = 4 log(2) + log(3) + 3
x = [ 4 log(2) + log(3) + 3] / (1-log(2)]
x = [ 4•0.301 + 0.477 + 3] / (1-0.301) = 4.681/0.699 = 6.6867
x log(5) = 4 log(2) + log(3) + 3
x log(10/2) = = 4 log(2) + log(3) + 3
x ( 1 – log(2)) = = 4 log(2) + log(3) + 3
x = [ 4 log(2) + log(3) + 3] / (1-log(2)]
x = [ 4•0.301 + 0.477 + 3] / (1-0.301) = 4.681/0.699 = 6.6867