The half-life of thorium-229 is 7340 years. (a) Compute

Chapter 5, Problem 33

(choose chapter or problem)

The half-life of thorium-229 is 7340 years. (a) Compute the time required for a given sample to be reduced by a factor of 1000. Show detailed calculations, as in Example 7(a). (b) Express your answer in part (a) in terms of half-lives. (c) As in Example 7(b), estimate the time required for a given sample for thorium-229 to be reduced by a factor of 1000. Compare your answer with that obtained in part (b).

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