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Mathematics, 23.11.2019 20:31 baeethtsadia
Suppose a radioactive substance decays at a rate of 4% per hour. how long does it take until the substance is half of its original weight?
7 days and 5 hours
1713 hours
712 hours
17 days and 8 hours
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Suppose a radioactive substance decays at a rate of 4% per hour. how long does it take until the sub...
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