Higher June 2025 Paper 4 Q9
9
(a) Write 0.0037 in standard form. [1]
(b) A country consists of a south island and a north island.
The table below shows the population and area of each island in June 2023.
The table below shows the population and area of each island in June 2023.
| Population | Area (km\(^2\)) | |
|---|---|---|
| South island | \(1.2 \times 10^6\) | \(1.5 \times 10^5\) |
| North island | \(4.0 \times 10^6\) | \(1.1 \times 10^5\) |
Work out the overall population density of the country in June 2023. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(3.7 \times 10^{-3}\) | 1 | Condone trailing zeros | |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 20 or \(2 \times 10^1\) or \(2 \times 10\) nfww | 4 | M1 for \(1.2 \times 10^6 + 4[.0] \times 10^6\) or \(5.2 \times 10^6\) oe M1 for \(1.5 \times 10^5 + 1.1 \times 10^5\) or \(2.6 \times 10^5\) oe | may be implied by figs 52 may be implied by figs 26 |
| M1 for \(\dfrac{\textit{a population value}}{\textit{an area value}}\) | Award M marks even if not used to find final answer as long as it is not contradicted. Population and area values must be consistent eg both south island, both north island or their summed population and area e.g. M1 implied by 8 or 36.36 to 36.4 or 44.36 or 44.4 | ||