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Biocalculus Calculus for the Life Sciences

The half-life of cesium-137 is 30 years. Suppose we have a

100-mg sample.

(a) Find the mass that remains after t years.

(b) How much of the sample remains after 100 years?

(c) What is the rate of decay after 100 years?

(d) After how long will only 1 mg remain?