Question: Solve the problem. The function A = Aoe^-0.0136x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x

Solve the problem.

The function A = Aoe^-0.0136x 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 400 pounds of the material are

initially put into the vault, how many pounds will be left after 140 years?

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