Higher January 2020 Paper 1R Q11
11 The weight of a cat is 4.3 kg correct to 2 significant figures.
(a) Write down the upper bound of the weight of the cat. (1)
(b) Write down the lower bound of the weight of the cat. (1)
\(G = e - f\)
\(e = 17\) correct to the nearest integer
\(f = 9.4\) correct to one decimal place
(c) Work out the upper bound for the value of \(G\). (2)
| Scheme | Marks |
|---|---|
| 4.35 | B1 |
| (1) |
Notes
B1: accept \(4.34\dot{9}\)
| Scheme | Marks |
|---|---|
| 4.25 | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| 17.5 or 9.35 or \(e - f\) where \(17 \lt e \leqslant 17.5\) and \(9.35 \leqslant f \lt 9.4\) | M1 |
| 8.15 | A1 |
| (2) | |
| (4 marks) |