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A radioactive material disintegrates at a rate proportional to the amount currently present. If Q(t) is...

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Advance Math

A radioactive material disintegrates at a rate proportional tothe amount currently present. If Q(t) is the amount present at timet, then

dQ/dt=−rQ

where r>0 is the decay rate.

If 300 mg of a mystery substance decays to 80.84 mg in 3 weeks,find the time required for the substance to decay to one-half itsoriginal amount. Round the answer to 3 decimal places.

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A radioactive material disintegrates at a rate proportional tothe amount currently present If Qt is the amount present at timet thenStep 1First we will find the solution of the differential    See Answer
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