Mathematics, 05.12.2020 07:50, ReaLily
if 12 g of a radioactive substance are present initally and 8 yr layer only 6 g remain, how much of the substance will be present after 17 yr
Answers: 2
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if 12 g of a radioactive substance are present initally and 8 yr layer only 6 g remain, how much of...
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