Question

The rate of decay of radium is said to be proportional to the amount of radium present. Ifthe half-life of radium is 1690 years and there are 200 grams in hand now, how much will bepresent in 845 years? A half-life of 1690 years means that the initial amount of 200 grams ofradium will be reduced to half, or just 100 grams, in 100 years.Start with y = Cekt​

Answer 1

Answer:

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