Physics, 14.04.2021 17:30 happy121906
atoms of element a decay to atoms of element b with a half life of 20000 years. if there are 10000 atoms of a to begin with (and 0 atoms of b) how long will it take for there to be 2500 atoms of a
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atoms of element a decay to atoms of element b with a half life of 20000 years. if there are 10000 a...
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