Question

Log3=0,45 log5=0,69 calcule log45

Answer 1

$log45 = log3 \times 3 \times 5$

$log3 \times 3 \times 5 = log3 + log3 + log5$

$log3 + log3 + log5 = 0.45 + 0.45 + 0.69 = 1.59$

resposta é 1,59