Mathematics

Mathematics, 06.10.2019 00:30, croxy0514

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

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