Jawabanmu

2014-08-26T21:53:20+07:00
A. 10log 10^4 = 4
B. 5log 125= 5log 5^3 = 3
C. 3log 3^-3= -3
D. 2log 2^-2= -2
E. 4log 4^10= 10
F. 5log 1 = 0

Ket= log x = 10log x
1/4= 1/(2)^2=2^-2
xlog 1= 0
1 4 1