Please someone help. I am in need of a response...

The population of a major U.S. city is 8,550,405. The land area of the city is 1213.4 km².

What is the best approximate population density of the city?



7047 peoplekm2

7124 ​ peoplekm2 ​

7167 ​ peoplekm2 ​

7500 ​ peoplekm2 ​