The density is (its mass)/64 grams/cm3
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We know that density=mass/volume so the density of the cube= 16 g (the mass)/64 cubic cm= 0.25 g/cubic cm
Density = Mass/Volume = 50/(4*4*4) = 50/64 = 0.78125 grams per cm3.
The formula for the volume of a cube is height x width x length, therefore V = 4cm x 4cm x 4cm V = 64cm3
Circumference = Pi X Diameter = 3.1415 X 4cm = 12.566cm
Assuming it is 4cm x 4cm, then there would be 16 1cm x 1cm squares. * * * * * But, there are also 9 2cm x 2cm squares, 4 3cm x 3cm squares and 1 4cm x 4cm square. That makes 30 in all.