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Mathematics 10 Online
OpenStudy (anonymous):

Solve the problem: The amount of a radioactive substance present, in grams, at time t in months is given by the formula y=9000(3)^-0.2t. Find the number of grams present in 3 years. If necessary, round to three decimal places.

imqwerty (imqwerty):

put t=3 ans use a calculator

OpenStudy (anonymous):

Is the answer, 21674.022?

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