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Albert_Okuas
Answers (1)
R.D=density of substance/density of water. 7.8=density of substance/1g/cm³ °Density of substance=7.8g/cm³ Volume of cube=L³ ie 10cm×10cm×10cm=1000cm³ Density=mass/volume so Mass =Density×Volume Mass=7.8g/cm³×1000cm³ =7800g
