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Mathematics, 29.05.2020 05:00 shanicet047ox9ff6

An element has 280 radioactive atoms. It has a half life of 2 years. How long till it reduces to 35 radioactive atoms? Show your working out and units in your answer.

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An element has 280 radioactive atoms. It has a half life of 2 years. How long till it reduces to 35...

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