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Mathematics, 20.01.2020 05:31 10040813
Cobalt-60 has a half-life of about 5 years. how many grams of a 300 g sample will remain after 20 years? a: 0.0625 g
b: 9.375 g
c: 18.75 g
d: 37.5 g
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Cobalt-60 has a half-life of about 5 years. how many grams of a 300 g sample will remain after 20 ye...
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