Question

A company used about 7.4 x 105 sheets of paper in a month. Of the paper used during the month, the accounting department used about 8.9 x 103 of the sheets. About how many sheets of paper were used by other departments during the month?

Answer 1

So (7.4*105)-(8.9*103)   (The sum of all departments)-(The sum of the accounting department) 

(7.4*105)-(8.9*103) = (777)-(916.7) =(-139.7), not sure, did you write the problem wrong? If the total of the company is less than what the account dept used, something is off.