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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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Drag the tiles to the correct boxes to complete the pairs. match the stages to their features. low birth rates, death rates are constant high birth rate, and death rate high birth rate and low death rate pre-modern mature industrial industrialization
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Calculate the amount, in grams, of an original 300-gram sample of radioactive isotope Potassium-40 r...
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