Chemistry, 22.08.2020 08:01 mariaramirez110379

Strontium-90 is radioactive and has a half life of 28.8 years. How much of a 2.90mg sample would be left after 137. years? Round your answer to 2 significant digits. Also, be sure your answer has a unit symbol.

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Strontium-90 is radioactive and has a half life of 28.8 years. How much of a 2.90mg sample would be...

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