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    Calculating mass and thickness

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    The average density of blood is 1.06 x 103 kg/ m3. If you donate a pint of blood to the Red Cross, what mass of blood have you donated, in grams? (1 pt = 1/2 L, 1 L = 1000 cm3)
    a. 530 g
    b. 0.530 g
    c. 5.30 x 103 g
    d. 5.30 x 105 g
    e. 5.30 g

    The last page of a book is numbered 764. The book (not including the cover) is 3.0 cm thick. What is the average thickness of a sheet of paper in the book, in centimeters?
    a. 0.0039
    b. 0.0078
    c. 127.3
    d. 0.072
    e. 254.7

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    https://brainmass.com/physics/units/calculating-mass-and-thickness-42692

    Solution Preview

    Hello and thank you for posting your question to Brainmass.

    When converting units, we multiply our original unit with 1s as many as necessary.

    However, since we have equivalence between units (such as 1m=100cm), we can write "1" in many ways as ratio of units (for example 1m/100cm = 1 or ...

    Solution Summary

    This solution is provided in 263 words. It discusses how to convert units and uses simple equations and step-by-step solutions to find mass and thickness.

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