A typical banana contains 400 mg of potassium, of which a
Chapter , Problem 76GP(choose chapter or problem)
A typical banana contains \(400 \mathrm{mg}\) of potassium, of which a small fraction is the radioactive isotope \({ }_{19}^{40} \mathrm{~K}\) (see Appendix B). Estimate the activity of an average banana due to \({ }_{19}^{40} \mathrm{~K}\).
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