Date | May 2019 | Marks available | 3 | Reference code | 19M.1.SL.TZ2.T_1 |
Level | Standard Level | Paper | Paper 1 (with calculator from previous syllabus) | Time zone | Time zone 2 |
Command term | Calculate | Question number | T_1 | Adapted from | N/A |
Question
A sphere with diameter 3 474 000 metres can model the shape of the Moon.
Use this model to calculate the circumference of the Moon in kilometres. Give your full calculator display.
Give your answer to part (a) correct to three significant figures.
Write your answer to part (b) in the form , where 1 ≤ < 10 , .
Markscheme
* This question is from an exam for a previous syllabus, and may contain minor differences in marking or structure.
(M1)(M1)
Note: Award (M1) for correct numerator and (M1) for dividing by 1000 OR equivalent, such as ie diameter.
Do not accept use of area formula ie .
10 913.89287… (km) (A1) (C3)
[3 marks]
10 900 (km) (A1)(ft) (C1)
Note: Follow through from part (a).
[1 mark]
1.09 × 104 (A1)(ft)(A1)(ft) (C2)
Note: Follow through from part (b) only. Award (A1)(ft) for 1.09, and (A1)(ft) × 104. Award (A0)(A0) for answers of the type: 10.9 × 103.
[2 marks]