Answered: What is the decay constant k?

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What is the decay constant k?

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Question

48. The mass of a nucleus of plutonium (Pu23994) is 238.990396 u. Show that the binding energy per nucleon for plutonium is 7.6 MeV (show your work on scratch papers). A radioactive isotope of an element decays with half-life 10 minutes. If originally there are 64 atoms in a sample of the element, what is the time that should pass until only one atom of the element is left out? What is the decay constant k?

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