Problem
9. North Carolina has a population of roughly 10.15 million people and is 53,819 square miles in size. What is the density of the population? (round to the nearest hundredth)
Solution
Step 1 ：\(\text{Density} = \frac{\text{Population}}{\text{Area}}\)
Step 2 ：\(\text{Density} = \frac{10150000}{53819}\)
Step 3 ：\(\text{Density} \approx 188.42\)
