The half life of mercury-203, which is used in certain medical procedures, is approximately 47 days. if a shipment of 400 mg is made to a medical company, how much mercury-203 will be left after two weeks? approximately 388 mg. approximately 325 mg. approximately 39 mg. approximately 3.37 mg.

The half-life is 47 days, which means that for any starting amount of Hg-203, we're left with after this amount of time.

So, the amount of Hg-203 left after days is given by

2 weeks = 14 days, so if we start with 400 mg, after two weeks we end up with

mg

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