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  3. problem. 28x-*=20-8the function f(x) = 500(0.5)x/1

problem. 28x-*=20-8The function f(x) = 500(0.5)x/100 models the amount in pounds of a particular radioactive...

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problem. 28x-*=20-8The function f(x) = 500(0.5)x/100 models the amount in pounds of a particular radioactive material stored in aconcrete vault, where x is the number of years since the material was put into the vault. Find the amount ofradioactive material in the vault after 140 years. Round to the nearest whole number.

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