4MA0 Foundation January 2015 Paper 1R Q15
15
(a) Use your calculator to work out the value of
\(125^2 + \dfrac{173}{9.3 - 6.8}\)
Give your answer as a decimal. (2)(b) Write your answer to part (a) correct to 3 significant figures. (1)
| Scheme | Marks |
|---|---|
\(15625 + \dfrac{173}{2.5}\) Answer: 15694.2 | B2 |
| (2) |
Notes
B2: B1 for 15625 or 69.2 or \(\dfrac{346}{5}\) or \(\dfrac{78471}{5}\)
| Scheme | Marks |
|---|---|
| 15700 | B1 |
| (1) | |
| (3 marks) |
Notes
B1: ft from (a) if non-trivial