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Physics, 29.12.2019 08:31 hemriccaleb1213

Asample of a material has 200 radioactive particles in it today. your grandfather measured 400 radioactive particles in it 60 years ago. how many radioactive particles will the sample have 60 years from today?

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Asample of a material has 200 radioactive particles in it today. your grandfather measured 400 radio...
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