Respuesta :
Given that population of the United States in 2010 = 308745538 people
Given that land area of the United States in 2010 = 3531905 square miles
Now question says to find the population density of the United States in people per square mile.
Population density basically means how many people live in some particular area. So we just need to divide the given population by the given area.
[tex] Population \; density = \frac{308745538}{3531905}= 87.4161502079 [/tex]
Round your answer to nearest tenth means keep only one digit after decimal keeping rounding rules in mind.
Hence the final answer will be 87.4 people per square mile.