8th grade students were surveyed to determine how many hours a day they spent on various activities. The results are shown in the circle below. Find the measure of each central angle in the circle graph for the categories listed below. Please round your answer to the nearest tenth.
1. Homework/studying: 80 degrees
2. Social media: 45 degrees
3. Exercise/sports: 60 degrees
4. Watching TV/movies: 50 degrees
5. Playing video games: 25 degrees
6. Sleeping: 100 degrees
7. Other activities: 40 degrees