kak tolong bantuin yaa.. buat latihan un, yg nomer 2 aja.. thanks

》Diketahui = massa (m) = 400+100 = 500 g = 0,5 kg
volume (v) = 300 ml - 100 ml = 200 ml = 0,0002 m3
》Ditanya = maasa jenis (rho)?
》Jawab = (rho) = m/v
= 0,5/0,0002
= 2.500 kg/m3