4MA0 Foundation January 2017 Paper 2 Q15
15
(a)
(i) Find \(\sqrt{95}\)
Write down all the figures on your calculator display.
Write down all the figures on your calculator display.
(ii) Write your answer to (a)(i) correct to 2 decimal places.
(2)(b)
(i) Use your calculator to work out the value of \[\dfrac{16^2}{3 \times 12 - \pi}\] Write down all the figures on your calculator display.
(ii) Write your answer to (b)(i) correct to 3 significant figures.
(3)| Scheme | Marks |
|---|---|
| (i) 9.746794345 | B1 |
| (ii) 9.75 | B1 |
| (2) |
Notes
B1: Allow 9.7467(94345…) rounded or truncated to at least 5SF
B1: ft if at least 3DP given in (i)
| Scheme | Marks |
|---|---|
| (i) \(\dfrac{256}{36 - \pi}\) or \(\dfrac{256}{32.8(584\ldots)}\) | M1 |
| 7.791004515 | A1 |
| (ii) 7.79 | B1 |
| (3) | |
| (5 marks) |
Notes
M1: For 32.8(58...) rounded or truncated to at least 3SF seen
A1: Allow 7.791(0045...) rounded or truncated to at least 4SF
B1: ft if at least 4SF given in (i)