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OpenStudy (anonymous):
A laboratory has 20 grams of a radioactive substance that decays in such a way that t days later the number of grams left will be y = 20(1/10)t/15 . How much will be present after 10 days? A. 0 g B. 4.31 g C. 7.85 g D. 11.3 g
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OpenStudy (anonymous):
@ninjawolfjj
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