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2 gm of a radioactive sample having half life of 15 days was synthesised on 1st Jan 2009. The amount of the sample left behind on 1st March. 2009 (including both the days)
🗓 Jul 11, 2021
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Courtney
🌐 India
Hello, please post an solution as well
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Caroline
🌐 India
Nice website
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