Question

Dado log 2=0,30 e log 3=0,47 determine o log 192

Answer 1

$log_{}(192) = \\ log_{}( {2}^{6} \times 3) = \\ log_{}( {2}^{6} ) + log_{}(3) = \\ 6 \times log_{}(2) + log_{}(3) = \\ 6 \times 0.30 + 0.47 = \\ 1.80 + 0.47 = \\ 2.27$