Mathematics, 06.06.2020 01:57 jeremytheprimerapper

A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t) = 400 € -0.052, wheret is time in years. Find the amount of radioactive lead remaining after (a) 3 y. (b) 8 y. (c) 15 yr. (d) Find the half-life.

(a) The amount of radioactive lead remaining after 3 yr will be

(Round to the nearest integer as needed.)

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A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t) = 40...

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