Intermediate June 2019 Unit 2 Q1
1.
(a) Calculate each of the following.
(i) \(4{\cdot}8^2 + \sqrt{28{\cdot}09}\) [2]
(ii) \(\dfrac{4}{9}\) of 78·3 [1]
(iii) 1000 × (the reciprocal of 8) [2]
(b) Write 437·6 correct to 2 significant figures. [1]
| Scheme | Marks | Comments |
|---|---|---|
| (i) 28·34 or 1417/50 or \(28\tfrac{17}{50}\) ISW | B2 | B1 for sight of 23·04 OR sight of 5·3. If B0 allow SC1 for 28 or 28·3 |
| (ii) 34·8 or 174/5 or \(34\tfrac{4}{5}\) ISW | B1 | |
| (iii) 125 | B2 | B1 for sight of 1/8 or 0·125 or 1000/8 or 1000÷8 |
| Scheme | Marks | Comments |
|---|---|---|
| 440 | B1 | B0 for 440·0 |