SOLUTION: how long will it take a sample of radioactive substance to decay to half of its original amount if it decays according to the function a(t) = 200e^-.144(t) Where t is the time in y
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Question 1006816: how long will it take a sample of radioactive substance to decay to half of its original amount if it decays according to the function a(t) = 200e^-.144(t) Where t is the time in years? Round your answer to the nearest hundredth year.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Show the function this way:
To find half-life:
Take natural log of both sides and solve for t.
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