1) 2 log 48 - 2 log 8 = 2) 3 log 243 + 7 log 49 = 3) 5 log 625 x 3 log 27 =

1) ^2log(48/8) = ^2log6 = ^2log3+^2log2=^2log3+1
2) 3log3^5 + ^7log7^2 = 5 + 2 = 7
3) ^5log5^4 x ^3log3^3 = 4 x 3 = 12