O-LevelMathematicsNumber4024/11 · Oct/Nov 2014 · Q194 Marks
In 2013 the population of China was approximately 1360000000. Write this number in standard form.
- (a)In 2013 the population of China was approximately 1360000000. Write this number in standard form.[1]
- (b)(i)p = 8 × 10⁵ q = 7 × 10³ Giving your answers in standard form, find pq,[1]
- (b)(ii)p = 8 × 10⁵ q = 7 × 10³ Giving your answers in standard form, find p-q.[2]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2014). The mark or mark type is shown in brackets.
- [1] (a) 1.36 × 10⁹
- [1] (b)(i) 5.6 × 10⁹
- [2] (b)(ii) 7.93 × 10⁵
- B1 for figs 793, or for N × 10⁵ with 1 < N < 10.
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →