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explain step by step and include each formula used: A sample of the radioactive carbon isotope has a mass of 0.500 g. The decay constant

explain step by step and include each formula used: A sample of the radioactive carbon isotope has a mass of 0.500 g. The decay constant of this carbon nuclide is 0.03554 s−1. Calculate the activity of this sample after 100 s.

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