4MA0 Foundation June 2013 Paper 2R Q12
12
(a) Find \(\sqrt{729}\) (1)
(b)
(i) Find the cube of 2.8
Write down all the figures on your calculator display.
Write down all the figures on your calculator display.
(ii) Write your answer to part (b)(i) correct to 2 decimal places.
(2)(c)
(i) Use your calculator to work out the value of \(\dfrac{83}{0.7^2}\)
Give your answer as a decimal.
Write down all the figures on your calculator display.
Give your answer as a decimal.
Write down all the figures on your calculator display.
(ii) Write your answer to part (c)(i) correct to 2 significant figures.
(3)| Scheme | Marks |
|---|---|
| 27 | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| (i) 21.952 | B1 |
| (ii) 21.95 | B1 |
| (2) |
Notes
B1: ft from (i) if 3 or more dp
| Scheme | Marks |
|---|---|
| (i) \(\dfrac{83}{0.49}\) | M1 |
| 169.3877551 | A1 |
| (ii) 170 | B1 |
| (3) |
Notes
M1: for 0.49 seen
A1: Accept 1 or more dp rounded or truncated
B1: ft from (i) if 1 or more dp