You have 550-grams of an an unknown radioactive substance that has been determined to decay according to D(t) = 550e-0.006359-t

Question

You have 550-grams of an an unknown radioactive substance that has
been determined to decay according to
D(t) = 550e-0.006359-t
where t is in years. How long before half of the initial amount has
decayed?
It will take
amount to decay. (Round to 1 decimal place)
years for half of the initial

Kunduz · Accepted Answer

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