Question 911007

1. {{{log(81)=log(3^4)=4log(3)= 4*0.4771212547 =1.9084850188}}}

2. {{{ log(6)=log(2*3)=log(2)+log(3)= 0.30102999566398+0.4771212547 =0.77815125036398}}}

3. {{{log(12)=log(3)+log(4)= log(3)+2log(2)=0.4771212547 +2*0.30102999566398=1.07918124602796}}}