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The mass of a block of stone is 6400 kg. If the block has a volume of 0.8 m cubed, what is its density? Remember, density is mass per unit of volume.

Please help ... due in less than 12 hours.

Respuesta :

MatCauthon
The question is asking for mass/unit of volume. 
Therefore the density of the material would be 6400kg/0.8m^3. You then want to change the bottom into a 1 by multiplying the top and bottom both by 10/8. You now have 8000kg/m^3, which is the solution. 

[tex]8000 \frac{kg}{m^3} [/tex]

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