Respostas

2014-01-25T20:00:45-02:00
Log 0,36 = log (36/100) = log 36 - log 100 = log (9 . 4) - log (10²) = log (3² . 2²) - log (10²) = log 3² + log 2² - log 10² = 2 . log 3 + 2 . log 2 - 2 . log 10 = 2b + 2a - 2