Posted by Jane on .
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?

math 
Steve,
This was answered. Scroll down and click on the links that look like the same question.
Or, click on your name above to see all the questions you have posted. One of them will contain the answer.