Higher November 2021 Paper 6 Q1
1 This table shows the names and areas of five lakes.
| Name of Lake | Area in km² |
|---|---|
| Ladoga | \(1.81 \times 10^4\) |
| Mweru | \(5.12 \times 10^3\) |
| Tana | \(3.20 \times 10^3\) |
| Topozero | \(9.86 \times 10^2\) |
| Victoria | \(6.89 \times 10^4\) |
(a) Write the area of Lake Mweru as an ordinary number. [1]
(b) Write the lakes in the order of their area, starting with the smallest. [2]
(c) Calculate the difference between the areas of Lake Ladoga and Lake Tana.
Give your answer in standard form, correct to 2 significant figures. [4]
Give your answer in standard form, correct to 2 significant figures. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 5120 | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| Topozero, Tana, Mweru, Ladoga, Victoria or 986, 3200, 5120, 18 100, 68 900 oe in standard form | 2 | B1 for Topozero as smallest or Victoria as largest or all in correct reverse order | \(9.86 \times 10^2\), \(3.20 \times 10^3\), \(5.12 \times 10^3\), \(1.81 \times 10^4\), \(6.89 \times 10^4\) Condone superfluous zeros and slip in index |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(1.5 \times 10^4\) nfww isw | 4 | B3 for 15 000 oe or \(1.49[0..] \times 10^4\) or B2 for 14 900 oe or M1 for figs 181 – figs 32 If 0 scored SC1 for their value correctly rounded to 2 sf | eg 15 000 may be \(15 \times 10^3\) Subtraction may be implied by figs 15 or figs 149 Their unrounded value must be seen |