Large number calculation
the average household uses 5 bags of sugar per household per month. each bag of sugar weighs 4 pounds.
assume that that there are 2 people in each household on average and that the us population is 300 million
round answers to three significant digits except last answer.
example: 450,543,929 becomes 4.51e8 whre 4.51 is the significant digits.
how many pounds of sugar does the us consume per month?