There are approximately 30,000,000 white-tailed deer in the United States, which covers 3,536,000 square miles. What is the population density, rounded to the nearest whole number, for the white-tailed deer?

Population density is the number of deer divided by the area: 30,000,000 ÷ 3,536,000 ≈ 8.48 deer per square mile. Rounded to the nearest whole number, that is 8 deer per square mile, so the correct choice is 8 deer per square mile.

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