dijawab pakai jalan ya, plese. Btw itu logaritma (log) ya bukan 109 .

•
4'log √2 + 4'log 8
= 4'log (8√2)
= (log 2^(7/2))/(log 2²)
= (7/2)/2 . 2'log 2
= 7/4

•
2.2'log (2/3) + 2'log (81/8)
= 2'log ((2/3)² × 81/8)
= 2'log 9/2
= 2'log 3² - 2'log 2
= 2 . 2'log 3 - 1