There are some questions where you have to do calculations. If you show your work, then that increases the chance that you can get partial credit even if your final answer is incorrect. For example, if you start out with the right approach, but make a math error, you could still get a lot of points. If you simply put down an answer and it is wrong, we can’t give you any points.
Is that what you mean?
By the way, most of the questions are answered by descriptions or definitions, all based on the material that we’ve taught and tested you on in the quizzes. There are only a few calculations that you have to do.