Answer:
13,250,000 feet or 13.25 million feet
Step-by-step explanation:
Each person in the line has a shoulder width of 1.325 feet.
For each person, there is a width of 1.325 ft. There are 10 million people.
Since:
10 million = 10,000,000
The total length must be:
[tex]1.325 * 10,000,000[/tex]
[tex]1.325 * 10,000,000 = 13,250,000[/tex]
Answer: 13,250,000 feet or 13.25 million feet