please help me find the cubes density & mixture

Lab Data R0-evamine your obtervation Revoluate your density cafculation. There appeare to be a calcularion ov rounding error: Did you report your data to the correct number of tionifinast finiwsot? Sumperman method Reveramine your observitloa. finevahate your density calculanion. There appesis to be a cavculathon or rownding errap byd you neport your data foi the wen... Lab Data R0-evamine your obtervation Revoluate your density cafculation. There appeare to be a calcularion ov rounding error: Did you report your data to the correct number of tionifinast finiwsot? Sumperman method Reveramine your observitloa. finevahate your density calculanion. There appesis to be a cavculathon or rownding errap byd you neport your data foi the wen