Mathematics, 07.10.2021 14:00, pxrnstar4613
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1991, the hay in that country was contaminated by a radioactive isotope (half-life 8 days). If it is safe to feed the hay to cows when 15% of the radioactive isotope remains, how long did the farmers need to wait to use this hay? The farmers needed to wait approximately _ days for it to be safe to feed the hay to the cows.
Answers: 1
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After the release of radioactive material into the atmosphere from a nuclear power plant in a countr...
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