4MA0 Higher June 2011 Paper 4 Q9
9 The length of a fence is 137 metres, correct to the nearest metre.
Write down
(i) the lower bound for the length of the fence,
(ii) the upper bound for the length of the fence.
(2)
| Scheme | Marks |
|---|---|
| (i) 136.5 | B1 |
| (ii) 137.5 or \(137.4\dot{9}\) or 137.499.. | B1 |
| (Total 2 marks) |
Notes
B1: dot above 9 for recurring or 137.499..... (i.e .499 or better)
Apart from questions 5b, 8, 15d, 20b, 21b, 23, 24b (where the mark scheme states otherwise) the correct answer, unless clearly obtained by an incorrect method, should be taken to imply correct working.