The amount radioactive material after certain years

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Reference no: EM1317616

Question: The function A = Aoe-0.00866x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If nine hundred pounds of the material are placed in the vault, calculate how much time will need to pass for only 173 pounds to remain? Show your work.

Reference no: EM1317616

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