exposure's in a sentence

1. This approach allows a comparison of the cost of hedging per unit of exposure over time (e.g. a cost of EUR x for 100,000 units of the exposure's currency).

2. For each exposure, your breast is probably only compressed for about 10 seconds, Monticciolo says, and the most up-to-date mammogram machines are built to release the compression as soon as the exposure's over.