It is usually to cover up some mistake or area of weakness. Sometimes it is to brag about something and make themselves look better.
Answer:
The time it takes light from a flash camera to reach a subject 6.0 meters across a room in scientific notation is 2.0 *10^-8 s.
Answer:
A because science is not to be a math subject
A. "vehicle simulation"
I'm for sure that is the right answer!