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O-LevelMathematicsNumber4024/11 · Oct/Nov 2014 · Q83 Marks

Find n when 3³ × 3 × 3⁵ = 3ⁿ .

  1. (a)Find n when 3³ × 3 × 3⁵ = 3ⁿ .[1]
  2. (b)Find the value of 32^(2/5)[1]
  3. (c)Find the value of (1/5)⁻² .[1]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2014). The mark or mark type is shown in brackets.

  1. [1] (a) 9
  2. [1] (b) 8
  3. [1] (c) 25

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, Oct/Nov 2014 Paper 1 Variant 1, question 8.

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