Question 1.4 Choose the correct answer(s)The following table shows the nominal GDP (in current millions of US dollars) and the population (in thousands) of Ethiopia, Somalia and South Africa in 2021 (source: The World Bank). Read the following statements and select the correct one(s).

Question

BlackTom AI · Accepted Answer

GDP per capita is calculated as total GDP divided by total population (consistent units). Using GDP in millions and population in thousands: (GDP_millions / Population_thousands) × 1000 = GDP per person in USD.

1) Relevant knowledge points and concepts
- GDP per capita = GDP / population (both in same absolute units).
- When GDP is given in millions and population in thousands, divide the two numbers then multiply by 1,000 to get USD per person.
- Percent difference: (difference / reference) × 100%.

2) Complete reasoning and intermediate calculations
- Ethiopia: GDP = 111,271.11 (millions), Population = 120,283.03 (thousands).
  Step: 111,271.11 / 120,283.03 = 0.925040...
  Multiply by 1,000 → GDP per capita ≈ $925.04.
- Somalia: GDP = 7,628.00 (millions), Population = 17,065.58 (thousands).
  Step: 7,628.00 / 17,065.58 = 0.447110...
  Multiply by 1,000 → GDP per capita ≈ $447.11.
- South Africa: GDP = 419,015.02 (millions), Population = 59,392.25 (thousands).
  Step: 419,015.02 / 59,392.25 = 7.05690...
  Multiply by 1,000 → GDP per capita ≈ $7,056.90.

3) Check statement (b): “Ethiopia's GDP per capita was 107% larger than Somalia's.”
- Absolute difference = 925.04 − 447.11 = 477.93.
- Percent larger relative to Somalia = 477.93 / 447.11 = 1.069 ≈ 106.9% ≈ 107%. Thus (b) is correct.

4) Check statement (d): “South Africa's GDP per capita was 15.8 times as large as Somalia's.”
- Ratio = 7,056.90 / 447.11 ≈ 15.79 ≈ 15.8. Thus (d) is correct.

5) Why the other options are incorrect
- (a) Ethiopia had the highest GDP: false — South Africa’s GDP (419,015.02 million) is much larger than Ethiopia’s (111,271.11 million).
- (c) Ethiopia's GDP per capita was $925,077: false — calculated value is ≈ $925.04, not $925,077 (off by a factor of ~1,000).

Conclusion: The correct choices are (b) and (d), which matches the provided answer.

Question 1.4 Choose the correct answer(s)The following table shows the nominal GDP (in current millions of US dollars) and the population (in thousands) of Ethiopia, Somalia and South Africa in 2021 (source: The World Bank). Read the following statements and select the correct one(s).Multiple choice

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