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cobalt-60 has a half-life of about 5 years. a 300 g sample sits for 20 year...
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Mathematics, 01.01.2020 01:31 dmoore6859
Me i really need
cobalt-60 has a half-life of about 5 years. a 300 g sample sits for 20 years. how many half lives have occurred during that time frame? how many grams remain after the 20 years?
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Answers: 2
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