J.R. S. answered 09/07/21
Ph.D. University Professor with 10+ years Tutoring Experience
Density = mass / volume. We know the mass is 50 g so we need to find the volume.
The formula for the volume of a rectangular prism is l x w x h = 5 cm x 4 cm x 5 cm = 100 cm3
Density = 50 g / 100 cm3 = 0.5 g/cm3