Question

Qual é o log de 375 ?

Answer 1

vamos a descomponer :

375----> 3 x 5^3

agora vamis resolver logaritmo

log 375

log ( 3 x 5^3 )

log 3 + log (5^3)

log 3 + 3 log 5

log 3 + 3 log (10/2)

log 3 + 3 ( log 10 - log 2)

log 3 + 3 ( 1 - log 2)

0,477 + 3 ( 1 - 0,301 )

0,477 + 3 ( 0,699 )

0,477 + 2,097

2,574