Tolong yah,pake cara kak,, besok dikumpul

Pa1=Pa2
rho g h = rho g h
1 g/cm³ x 10 m/s x 8 cm = rhominyak x 10 m/s x 10
gravitasinya di coret jadi....
1 g/cm³ x 8 cm = rhominyak x 10 cm
rhominyak = 1 g/cm³ x 8 cm ÷ 10 cm = 0.8 g/cm³