You don't leave it very clear what the question is. But problems that involve mass and volume MIGHT be related to density. To calculate the density, divide themass by the volume.
Chat with our AI personalities
density = mass/volume = 50g/8cm^3 = 6.25 g/cm^3
The volume is 1608.5cm3
128pi.
Volume = 8cm * 8cm *8 cm = 512 cm3
density = mass/volume = 4g/8cm³ = 0.5 g/cm³