Question

Dados log7 2 = 0,3562 e log7 5 = 0,8271, calcule log7 10

Answer 1

$\log_7(2)=0.3567$

$\log_7(5)=0.8271$

$\log_7(10)=??$

$\log_7(5*2)\Rightarrow\log_7(5)+\log_7(2)\rightarrow0.8271+0.3567$

$\boxed{\boxed{1.1833}}$