Higher November 2017 Paper 5 Q12
12
(a) Write \(\dfrac{5}{6}\) as a recurring decimal. [2]
(b) Convert \(0.12\dot{6}\) to a fraction.
Give your answer in its lowest terms. [3]
Give your answer in its lowest terms. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(0.8\dot{3}\) | 2 | M1 for division attempt leading to 0.8...... | Accept 0.833[3]….. |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\dfrac{19}{150}\) as final answer | 3 | B2 for \(\dfrac{114k}{900k}\) oe or M1 for 126.66... and 12.66... or better or fraction \(\dfrac{k}{900}\) or \(\dfrac{k}{9900}\) seen | Sets up a ‘pair’ to eliminate the recurrence Accept eg 12.666.. and 0.126… |