Question

2) log 2 = 0,301 e log 7 = 0,845, qual será o valor de log 28? *​

Answer 1

$log_{}(28) = log7.4 = log7 \times log4 = log(7) + log_{}(4)$

$log_{}(7) + log( {2}^{2} )$

$log(7) + 2 log(2)$

$0.845 + 2.0.301$

$1.447$

Espero ter ajudado