Question

me ajudem
sendo LOGa2=20 e LOGa5=30 calcule o valor de LOGa 100:​

Answer 1

Resposta:

loga 100  =loga 5²*2²=loga 5² + loga 2²

=2*loga 5+ 2 * loga 2  =  2*30 + 2*20 =60+40= 100