SOLUTION: Question Help
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1990, the hay in that country was contaminated by a rad
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Question 1140194: Question Help
After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1990, 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
15% of the radioactive isotope remains, how long did the farmers need to wait to use this hay?
__ days
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x = 0 for year 1990
-
-
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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?
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Solve for x with
.
.
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