Question

Dados LOGa 3 = 12 e LOGa 5 = 23,calcule o valor de LOGa 675

Answer 1

loga 675

loga (27 . 25)

loga (3³ . 5²)

loga 3³ + logs 5²

3.loga 3 + 2.loga 5

3(12) + 2(23)

36 + 46

82