?

    another college math quiz item:

    A sample of 575 grams of radioactive lead 210 decays to polonium according to the formula defined by

    A = 575e-0.038t.

    Using this model, the amount of the sample remaining after 16 years is ________ grams.

    Round your answer to the nearest whole gram.

    I guess that I’m supposed to assume that t is 16…

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    • July 5, 2010 | topics: at home | Comment?

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