An initial sample of 428 g of a radioactive substance decays according to the function A(t) = 428e-0.038t where t is given in

Question

An initial sample of 428 g of a radioactive substance decays according to the function A(t) = 428e-0.038t
where t is given in years.
(a) How many grams of the substance will remain after 124 years? Round your answer to one decimal place.
(b) What is the half-life of the substance? Round your answer to one decimal place.

Kunduz · Accepted Answer

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