Tat P.

asked • 02/15/15

help me? i cant figure this out.

Strontium 90 is a radioactive material that decays according to the function A(t) = A0e^-0.0244t, where A0 is the initial amount present and A is the amount present at time t (in years). Assume that a scientist has a sample of 550 grams of strontium 90. What is the decay rate of strontium 90?

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