Final answer:
The earth rotates 13 times in 312 hours.
Step-by-step explanation:
The earth rotates on its axis once every 24 hours. To find out how many times the earth rotates in 312 hours, we divide 312 by 24. 312 / 24 = 13.
So, the earth rotates 13 times in 312 hours.
Learn more about Earth rotation