4400 Higher November 2009 Paper 3 Q13
13 The table shows the area, in km2, of some countries.
| Country | Area (km2) |
|---|---|
| Algeria | \(2.4 \times 10^6\) |
| Botswana | \(6.0 \times 10^5\) |
| Equatorial Guinea | \(2.8 \times 10^4\) |
| Ethiopia | \(1.2 \times 10^6\) |
| Malawi | \(1.2 \times 10^5\) |
(a) Which of these countries has the largest area? (1)
(b) How many times greater is the area of Ethiopia than the area of Malawi? (1)
(c) Work out the total area of all five countries.
Give your answer in standard form. (2)
Give your answer in standard form. (2)
| Scheme | Marks |
|---|---|
| Algeria | B1 |
| (1) |
Notes
B1: Accept \(2.4 \times 10^6\)
| Scheme | Marks |
|---|---|
| 10 | B1 |
| (1) |
Notes
B1: Ten times etc
| Scheme | Marks |
|---|---|
| \(4.348 \times 10^6\) or \(4.35 \times 10^6\) | B2 |
| (2) | |
| (4 marks) |
Notes
B2: B1 for digits 4348 or 4350000 or \(4.3 \times 10^6\)