4400 Higher November 2005 Paper 4 Q10
10 The table shows the populations of five countries.
| Country | Population |
|---|---|
| The Gambia | \(1.4 \times 10^6\) |
| Kenya | \(3.2 \times 10^7\) |
| Mali | \(1.2 \times 10^7\) |
| Nigeria | \(1.4 \times 10^8\) |
| Swaziland | \(1.2 \times 10^6\) |
(a) Which of these countries has the largest population? (1)
(b) Calculate the difference between the population of Kenya and the population of Nigeria.
Give your answer in standard form. (2)
Give your answer in standard form. (2)
(c) The population of South Africa is 30 times the population of The Gambia.
Calculate the population of South Africa.
Give your answer in standard form. (1)
Calculate the population of South Africa.
Give your answer in standard form. (1)
| Scheme | Marks |
|---|---|
| Nigeria | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(1.08 \times 10^8\) | B2 |
| (2) |
Notes
figs 108 : B1
| Scheme | Marks |
|---|---|
| \(4.2 \times 10^7\) | B1 |
| (1) | |
| (4 marks) |