O-LevelMathematicsNumber4024/12 · Oct/Nov 2015 · Q123 Marks
Express a number as 2 × 3^2 × 11 in its equivalent form.
- (a)Express a number as 2 × 3^2 × 11 in its equivalent form.[1]
- (b)(i)Find the value of 12, or 2^2 × 3.[1]
- (b)(ii)Find the value of 90, or 2 × 3^2 × 5.[1]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2015). The mark or mark type is shown in brackets.
- [1] (a) 2 x 32 x 11 oe
- [1] (b) (i) 12, or 22 x 3
- [1] (ii) 90, or 2 × 32 × 5
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