Asked by seb
5. Cesium-137 is a radioactive isotope. The following formula represents the remaining amount of a 300 gram sample of cesium-137 in a storage tank after t years:
N(t)=300e−0.02297t
A) Determine the remaining amount of cesium-137 in the storage tank after 75 years. (Round to the nearest whole number.)
B) Find the number of years it takes for the original sample to decay to 7 mg. (Round to the nearest whole number.)
N(t)=300e−0.02297t
A) Determine the remaining amount of cesium-137 in the storage tank after 75 years. (Round to the nearest whole number.)
B) Find the number of years it takes for the original sample to decay to 7 mg. (Round to the nearest whole number.)
Answers
Answered by
Steve
what's the trouble? You have the formula; just plug in your values.
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