exact science in a sentence

Examples

1. This personnel thing is not an exact science,
2. Neighborhood-naming in Memphis is not an exact science.
3. But it's not an exact science ."
4. `Quality management has become an exact science.
5. But movie trailers aren't an exact science.
6. Cooking, he says, is an exact science.
7. It's not an exact science, of course.
8. "It's not really some exact science ."
9. Scouting, admittedly, is not an exact science.
10. "It's not nearly an exact science.