Granite cube

What is the weight in kg granite cube with an edge of 0.5 m if 1dm3 of granite weight 2600 g?

Correct result:

m =  325 kg

Solution:

a=0.5 m→ dm=0.5⋅ 10  dm=5 dm V=a3=53=125 cm3 h=2600 g→ kg=2600/1000  kg=2.6 kg  m=h⋅ V=2.6⋅ 125=325 kg

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