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iren [92.7K]
3 years ago
8

How long in years, will it take for a quantity of plutonium-240 to decay to 25% of its original amount? K is the decay constant,

0.00011
Mathematics
1 answer:
Andru [333]3 years ago
5 0
Q(t)= 0.25Q k =0.00011 Now you can solve for t
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