Janiya found that her playlist will play for 3.8 X 10^2 seconds, 6.333… X 10^5 minutes, 1.0555… X 10^4 hours, or 4.39814 X 10^2 days. Which answer use is the most appropriate units?
1. 1.05 X 10^4 hours
2. 6.333… X 10^5 minutes
3. 3.8 X 10^7 seconds
4. 4.39814 X 10^2 days
1 answer
The most appropriate unit to use would be option 4: 4.39814 X 10^2 days.