Mathematics, 12.11.2020 18:30 dondre54

Strontium-90 has a half-life of 28 days. Find the mass (in mg) remaining after 20 days. (Round your answer to one decimal place.) mg

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Strontium-90 has a half-life of 28 days. Find the mass (in mg) remaining after 20 days. (Round your...

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