It can be but is usually not.
12 Hours and 12 minutes rounded to the nearest hour is 12 hours.
The answer is 2 hours.
9.40
Three hours.
3.3 x 62 = 204.6 (exact, not rounded)
No
12 Hours and 12 minutes rounded to the nearest hour is 12 hours.
The answer is 2 hours.
67,061,663 mph (rounded)
9.40
2 hours.
It is 78 hours.
Three hours.
3.3 x 62 = 204.6 (exact, not rounded)
7.6
Before time zones were created, each city had it's own time. A city's time depended on it's latitude. After time zones were created, they rounded the times off to the nearest hour. Some countries wanted to be more accurate and chose to round to the nearest 30 min. There are even places where time differs by 40 min!
4.1