Intermediate June 2025 Unit 2 Q3
3.
(a) Calculate \(\sqrt{12{\cdot}3 - 3{\cdot}4} + 15{\cdot}7^2\).
Give your answer correct to 1 decimal place. [2]
Give your answer correct to 1 decimal place. [2]
(b) Find 13·5% of 63. [2]
| Scheme | Marks | Comments |
|---|---|---|
| 249·5 | B2 | Mark final answer. Award B1 for an appropriate sight of any one of the following:
|
| Scheme | Marks | Comments |
|---|---|---|
| 0·135 × 63 or equivalent | M1 | Award M1 for a complete method. |
| 8·505 or \(\dfrac{1701}{200}\) or equivalent | A1 | CAO. Mark final answer. Award A1 for any one of the following:
(e.g. 8·505 seen but then 8·55 given as a final answer is awarded M1A0). 8·5(05)% is awarded M1A0 (supported or unsupported) Unsupported answer of 8·5(05) is awarded M1A1. If no marks, award SC1 for an answer of (rounded or truncated):
|