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Mathematics 10 Online
OpenStudy (anonymous):

suppose a particular radioactive substance has a half-life of 11 years. the initial sample contains 640g. a) find a function m(t) that models the amount of the substance left after t years. b) use the model to determine how long it would take the initial sample to decay to 10g. simplify completely. correct answers found without using the model will not receive credit

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