Chemistry, 03.12.2021 23:20 sandygarcia65
A sample of a material has 40004000 radioactive particles in it today. Your mother measured 80008000 radioactive particles in it 3030 years ago. How many radioactive particles will the sample have 30 years30 years from today
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A sample of a material has 40004000 radioactive particles in it today. Your mother measured 80008000...
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