Question

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use the chart below to answer the questions:

which of these countries has the greatest population density? which has the least? provide an explanation and proof for your answer to receive full credit.

Explanation:

Define population density formula

Population density measures people per unit area.

$$ \text{Population Density} = \frac{\text{Population}}{\text{Area (sq km)}} $$

Calculate density for U.S.

Divide population by land area.

$$ \text{Density}_{\text{U.S.}} = \frac{272,648,000}{9,364,520} \approx 29.11\text{ people/km}^2 $$

Calculate density for Denmark

Divide population by land area.

$$ \text{Density}_{\text{Denmark}} = \frac{5,248,000}{42,077} \approx 124.72\text{ people/km}^2 $$

Calculate density for Ghana

Divide population by land area.

$$ \text{Density}_{\text{Ghana}} = \frac{18,339,000}{237,533} \approx 77.21\text{ people/km}^2 $$

Compare calculated densities

Compare the three calculated values.

$$ 124.72 > 77.21 > 29.11 $$

Answer:

Greatest population density: Denmark
Least population density: U.S.