4MA0 Foundation June 2017 Paper 1 Q18
18
(a) Use your calculator to work out the value of \[\dfrac{7.3 + 2.1}{6.4} + 2.2^2\] Give your answer as a decimal.
Write down all the figures on your calculator display. (2)
Write down all the figures on your calculator display. (2)
(b) Give your answer to part (a) correct to 3 significant figures. (1)
| Scheme | Marks |
|---|---|
| M1 | |
| 6.30875 | A1 |
| (2) |
Notes
M1: for \(\dfrac{47}{32}\) or 1.46875 or \(\dfrac{121}{25}\) or 4.84 or \(\dfrac{5047}{800}\) or
6.30875 truncated or rounded to at least 1 dp
| Scheme | Marks |
|---|---|
| 6.31 | B1 |
| (1) | |
| (3 marks) |
Notes
B1: ft from (a) provided answer to (a) has more than 3 sig figs