Introduzione alle Proprieta' dei Logaritmi

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2xg/ Esercizi: http://www.khanacademy.org/exercises?exid=logarithms_2 Traduzione in Italiano del video Introduction to logarithm properties http://www.youtube.com/watch?v=PupNgv49_WY http://www.khanacademy.org/video/introduction-to-logarithm-properties?playlist=Pre-algebra Help us caption & translate this video! http://amara.org/v/B2xg/