Geography, 10.06.2021 18:10 emilyplays474
Calculate the amount, in grams, of an original 300-gram sample of radioactive isotope Potassium-40 remaining after 3.9 billion years if its half life equals 1.3 x 10^9 years.
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Arid and semiarid subcategories are part of which climate
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Calculate the amount, in grams, of an original 300-gram sample of radioactive isotope Potassium-40 r...
Mathematics, 13.02.2020 02:58
Mathematics, 13.02.2020 02:58