4MA0 Higher June 2013 Paper 3 Q2
2
(a) Work out the value of \(\dfrac{\sqrt{7.4}}{9.8 - 2.1}\)
Give your answer as a decimal.
Write down all the figures on your calculator display. (2)
Give your answer as a decimal.
Write down all the figures on your calculator display. (2)
(b) Give your answer to part (a) correct to 2 significant figures. (1)
| Scheme | Marks |
|---|---|
| \(\dfrac{2.720294102}{7.7}\) | M1 |
| 0.35328(4948) | A1 |
| (2) |
Notes
M1: for 2.72029... if first 5 figures correct (rounded or truncated)
or for 7.7 or for \(\dfrac{2\sqrt{185}}{77}\)
A1: Accept if first 5 figures correct
| Scheme | Marks |
|---|---|
| 0.35 | B1 |
| (1) |
Notes
B1: ft from (a) only if more than 2 sig figs given in (a)