O-LevelMathematicsNumber4024/11 · May/June 2019 · Q114 Marks
Write 0.0000845 in standard form.
- (a)Write 0.0000845 in standard form.[1]
- (b)(i)p = 2.7 × 10¹¹ q = 9 × 10¹² Evaluate the following. Give each answer in standard form. p + q[1]
- (b)(ii)p ÷ q[2]
Mark scheme
Marking points from the official mark scheme (May/June 2019). The mark or mark type is shown in brackets.
- [1] 8.45 x 10⁻⁵ cao
- [1] 9.27 x 10¹² cao
- [2] 3[.0] × 10⁻² cao B1 for [0].03 or 0.3 × 10⁻¹ as answer
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