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i need help with this question, i want to understand why the answer is 16.8 billion?! i forgot how to do this lol, Thank you in advance!!
Largest Urban Areas By Population, 2007
1. Tokyo, Japan= 35.6 million
2. Mexico City, Mexico= 19.0 million
3. New York, United States= 19.0 million
4. Mumbai, India= 18.9 million
5. São Paolo, Brazil= 18.8
what is the range in the population of the five urban areas in the table?
A 9.5 million /B 16.8 million /C 19.0 million /D 22.26 million