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OpenStudy (cutiecomittee123):
Q(t)=Qoe^-kt May be used to model radioactive decay. Q representing the quantity remaining after t years, k is the decay constant 0.00011. How long in years will it take for a quantity pf plutonium-240 to decay to .25 its origional amount? a) 31500 years b) 9450 years c) 12600 years d) 1575 years So far I have .25= _____^-0.00011t Now what???
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OpenStudy (anonymous):
d
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