Question

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?​

Answer 1

Answer:   $\bold{3\times 10^9}$

Step-by-step explanation:

$5\ bags \times \dfrac{4\ lbs}{1\ bag}\times \dfrac{300,000,000\ people\ US}{2\ people\ household}=3,000,000,000\\\\\\=3\times 10^9$

The smallest number of significant digits is 1 digit.