Foundation November 2017 Paper 2 Q7
7
(a) Work out.
(i) \(1 + 4 \div 2\) [1]
(ii) \(2 + 5 \times (8 - 4)\) [1]
(b) Evaluate.
(i) \(2^5\) [1]
(ii) \(\sqrt{400}\) [1]
(c) Estimate the value of\[\frac{23.1 \times 3.9}{8.12}.\]
[3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| (i) 3 | 1 | ||
| (ii) 22 | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| (i) 32 | 1 | ||
| (ii) 20 | 1 | Accept \(\pm\) 20 | |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 10 | 3 | M2 for two values from 20, 4 and 8 used correctly in calculation or M1 for 20 or 4 or 8 | eg \(\dfrac{23 \times 4}{8}\) or (24 \(\div\) 8) \(\times\) 4 |