# Mercury-197 is used for kidney scans and has a half-life of 3 days. If the 32 grams of mercury-197 is ordered, but takes 15 days to arrive, how much would arrive in the shipment?

##### 1 Answer

Feb 5, 2017

#### Answer:

In 15 days you will have

#### Explanation:

So from the original sample only

This is

Of course the shipment will not have shrunk to