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Math Help - Density, Volume, Mass

  1. #1
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    Cool Density, Volume, Mass

    What is the density of a substance in kg/mL, if a sample with a volume of 2.67cm3 has a mass of 3391 mg?
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  2. #2
    MHF Contributor Mathstud28's Avatar
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    Now

    Quote Originally Posted by soccerchic96 View Post
    What is the density of a substance in kg/mL, if a sample with a volume of 2.67cm3 has a mass of 3391 mg?
    I am not by any standards amazing at phsyics but isnt Density=\frac{V}{M}?
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  3. #3
    Senior Member topher0805's Avatar
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    Quote Originally Posted by Mathstud28 View Post
    I am not by any standards amazing at phsyics but isnt Density=\frac{V}{M}?
    No. It is typically measured in grams per centimeter cubed and is thus given by the equation:

    D=\frac {m}{V}
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  4. #4
    MHF Contributor Mathstud28's Avatar
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    Haha

    Quote Originally Posted by topher0805 View Post
    No. It is typically measured in grams per centimeter cubed and is thus given by the equation:

    D=\frac {m}{V}
    ::note to self::"do not answer units questions":: haha
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  5. #5
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    thanks

    yes, it does, and my mom got home and she helped me, THANKS for the HELP
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