Jawabanmu

2014-09-10T07:45:18+07:00
A. log 7 x 3 / 2
= 0,845 + 0, 477 - 0,301
=1,021
b. log 1 - log 7
= 0 - 0,845
= - 0,845
a. log 7 x 3 / 2
= 0,845 + 0, 477 - 0,301
=1,021
b. log 1 - log 7
= 0 - 0,845
= - 0,845
2014-09-10T07:45:32+07:00
Log10,5 = log (7 x 5 x 3/10) =log 7+log5+log3-log10


=0,301+0,477+0,845-1=1,623 - 1=0,623