Mathematics, 20.03.2021 01:50 pawfox

The function f(x) = 300(0.5)60 models tre 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.
Find the amount of radioactive material in the vault after 90 years. Round to the nearest whole
number
A) 225 pounds
B) 100 pounds
C) 106 pounds
D) 189 pounds

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