How to Use "thousandth" with Example Sentences

1. It was the thousandth business to go bust .
2. Sensitive to changes in temperature of two thousandth of a degree fahrenheit .
3. Although this represents less than a thousandth of the total , it is enough to draw tentative conclusions when compared with the genomes of modern humans and chimpanzees
4. The threshold level at which some kind of reaction can occur may be less than a thousandth of a potentially fatal dose , so where do you draw the line ?
5. If you really want me to say that a data , I can only say that one ten thousandth .