Date | May 2021 | Marks available | 1 | Reference code | 21M.1.SL.TZ1.2 |
Level | Standard Level | Paper | Paper 1 (without calculator) | Time zone | Time zone 1 |
Command term | Write down | Question number | 2 | Adapted from | N/A |
Question
The diameter of a spherical planet is 6×104 km.
Write down the radius of the planet.
[1]
a.
The volume of the planet can be expressed in the form π(a×10k) km3 where 1≤a<10 and k∈ℤ.
Find the value of a and the value of k.
[3]
b.
Markscheme
3×104 OR 30000 (km) (accept 3∙104) A1
[1 mark]
a.
43π(3×104)3 OR 43π(30000)3 (A1)
=43π×27×1012 OR (A1)
OR A1
[3 marks]
b.
Examiners report
[N/A]
a.
[N/A]
b.