Higher June 2023 Unit 2 Q4
4.
(a) Evaluate \(\dfrac{\sqrt[3]{154}}{7{\cdot}9 - 3{\cdot}26}\).
Give your answer correct to 2 significant figures. [2]
Give your answer correct to 2 significant figures. [2]
(b) Calculate the reciprocal of 23.
Give your answer correct to 3 decimal places. [2]
Give your answer correct to 3 decimal places. [2]
(c) Circle the correct answer for each of the following.
(i) The Lowest Common Multiple (LCM) of 4 and 6 is: [1]
2 4 6 12 24
(ii) The Highest Common Factor (HCF) of 10 and 15 is: [1]
5 10 15 30 150
| Scheme | Marks | Comments |
|---|---|---|
| 1·2 | B2 | Mark final answer. Award B1 for one of the following:
|
| Scheme | Marks | Comments |
|---|---|---|
| 0·043 | B2 | Mark final answer. Award B1 for sight of one of the following:
|
| Scheme | Marks | Comments |
|---|---|---|
| (i) 12 | B1 | |
| (ii) 5 | B1 |