Question

Log2= 0,301 log3=0,477 log 0,0018=?
beserta uraian nya?

Answer 1

Log 0,0018 = log 18 × 10^-4
= log (9 × 2 × 10^-4)
= log 9 + log 2 + log 10^-4
= log 3^2 + log 2 + log 10^-4
= 2 (log 3) + log 2 + (-4) log 10
= 2(0,477) + 0,301 - 4 (1)
= 0,954 + 0,301 - 4
= -2,745