The half-life of radium-226 is 1590 years. (a) If a sample

Chapter 4, Problem 99

(choose chapter or problem)

The half-life of radium-226 is 1590 years. (a) If a sample has a mass of 150 mg, find a function that models the mass that remains after t years. (b) Find the mass that will remain after 1000 years. (c) After how many years will only 50 mg remain?

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