Question

adotando log 2= 0,301 , log 3= 0,477 e log 5= 0,699, calcule: a) log 200= b) log 0,8​

Answer 1

Resposta:

a) log 200= log(2.100)= log2+2= 0,301+2=2,301

b) log (8/10)= 3log2 -log10= 3.(0,301)-1= 0,903-1= -0,097