During one year, about 13 million adults over 18 years old in the U.S. spent a total of about 93 billion hours online at home. On average how many hours per day did each adult spend on line at home? How do you write each number in scientific notation? How do you convert the units to hours per day?

Question

During one year, about 13 million adults over 18 years old in the U.S. spent a total of about 93 billion hours online at home.  On average how many hours per day did each adult spend on line at home?  How do you write each number in scientific notation?  How do you convert the units to hours per day?