One type of uranium has a radioactive decay rate of 0.4% per day. If 50 pounds of this uranium is available today, how much will still remain after 20 days? Use y = 50(0.996), and let x be 20.

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Chapter5: Exponential And Logarithmic Functions
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Problem 28T: The half-life of radioactive actinium ( 227AC ) is 21.77 years. What percent of a present amount of...
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One type of uranium has a radioactive….
One type of uranium has a radioactive decay rate of 0.4% per day. If 50 pounds of this uranium is available today,
how much will still remain after 20 days? Use y = 50(0.996)*, and let x be 20.
After 20 days, lb of uranium will still remain.
(Round to the nearest hundredth as needed.)
EXI
Transcribed Image Text:One type of uranium has a radioactive decay rate of 0.4% per day. If 50 pounds of this uranium is available today, how much will still remain after 20 days? Use y = 50(0.996)*, and let x be 20. After 20 days, lb of uranium will still remain. (Round to the nearest hundredth as needed.) EXI
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