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Im stuck please help

  1. Feb 2, 2010 #1
    how do i convert 2.8g/cm3 to kg m-3?? what is the formula?
     
  2. jcsd
  3. Feb 2, 2010 #2

    mgb_phys

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    Just look at the way the units cancel.

    2.8 g/cm^3 * (kg/g) * (cm^3/m^3) = kg/m^3

    kg/g = 0.001 and cm^3/m^3 = 100*100*100/1 = 10^6

    so 2.8 g/cm^3 * 0.001 kg/g * 10^6 cm^3/m^3 =
     
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