Mathematics, 10.11.2021 19:10, jonloya264
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1992, the hay in that country was contaminated by a radioactive isotope (half-life 5 days). If it is safe to feed the hay to cows when 11% of the radioactive isotope remains, how long did the farmers need to wait to use this hay?
Answers: 3
Mathematics, 21.06.2019 17:00, chloerodgers56
If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year
Answers: 2
After the release of radioactive material into the atmosphere from a nuclear power plant in a countr...
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