Density 2

What is the density of a piece of driftwood that has the mass of 25 grams and a volume is 30 cm to the 3rd power. And how do I figure it out?

Correct result:

d =  0.8333 g/cm3

Solution:

m=25 g V=30 cm3 d=m/V=25/30=56=0.8333 g/cm3

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