Asked by fun times

The decay of uranium is modelled by
D = D_0 * 2^(-kt). If it takes 6 years for the mass of uranium to halve, find the percentage remaining after:
a. 2 years
Answered by Steve
Since the half-life is 6 years,

D = D_0 * 2^(-t/6)

So, just plug in your numbers and find that

D/D_0 = 2^(-2/6) = 0.7937 ≈ 79%
Answered by fun times
Alright, thanks
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