. Decaying isotope. A sample of 5 mg of the isotope gold- 198 decays naturally. The...

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. Decaying isotope. A sample of 5 mg of the isotope gold- 198 decays naturally. The amount A, in milligrams, of the sample still remaining after t days is given by A(t) = 5e-0.257t a) How much of the 5-mg sample remains after 1 day? b) After how many days will 1 mg of gold-198 remain? c) After how many days will half of the original sample remain? d) Find lim A(t), and explain what this number represents. . Decaying isotope. A sample of 5 mg of the isotope gold- 198 decays naturally. The amount A, in milligrams, of the sample still remaining after t days is given by A(t) = 5e-0.257t a) How much of the 5-mg sample remains after 1 day? b) After how many days will 1 mg of gold-198 remain? c) After how many days will half of the original sample remain? d) Find lim A(t), and explain what this number represents.

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Radioactivity 0257 A 5 0257t 2 A t se c b A 5e02574 5 02571 387mg ... View the full answer