Question

O valor de log3 243 =

(a) 4
(b) 8
(c) 12
(d) 9
(e) 0

Answer 1

$\displaystyle \log_3243=\frac{\ln243}{\ln3}=\frac{1,0986122886681096913952452369225}{5,4930614433405484569762261846126}=\boxed{5}$
$3^{5}=243$

nenhuma das respostas está correta

Answer 2

log 3 243 = x

3^x = 243

3^x = 3^5

x = 5