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Why is an objects density expressed as a combination of two units
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Why is an objects density expressed as a combination of two units

User Farhad Jabiyev
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An objects density is expressed as a combination of two units because the equation for density is Mass/Volume=Density. Therefore, both the mass and the volume retain a unit measure and when they are put together they create an expression that is a combination of two units such as kg/m^3 or g/cm^3. 
User Yildirim
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Except for mass, length, time, and electric charge, EVERY quantity is
a combination of units ... of THOSE units in fact. Hadn't you noticed ?
User Krishna Suthar
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8.9k points
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