Question

Jika log 2 = 0,301 dan log 3 = 0,477 maka log 15 =

Answer 1

Log 15 = log 3 + log 5 = log 3 + log 10/2 = log 3 + log 10 - log 2
log 15 = 0,477 + 1 - 0,301
log 15 = 1,477 - 0,301
log 15 = 1,176