The body

The body has dimensions of 2m 2dm and 10 cm. It weighs 28 kg. What is its density?

Correct result:

h =  700 kg/m3

Solution:

a=2 m b=2 dm→ m=2/10  m=0.2 m c=10 cm→ m=10/100  m=0.1 m m=28 kg  V=a⋅ b⋅ c=2⋅ 0.2⋅ 0.1=125=0.04 m3  h=m/V=28/0.04=700 kg/m3

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