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0580/23 Oct/Nov 2021, Question 13: Standard Form

Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Calculator · 2 marks

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The question, in short

Work out 0.04² + 0.03 × 0.28 and express the result in standard form.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Solution · 2 marks

  1. 10.04² = 0.0016
  2. 20.03 × 0.28 = 0.0084
  3. 30.0016 + 0.0084 = 0.01
  4. 4= 1 × 10⁻²

Answer1 × 10⁻²

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Also searched as: 0580/23/O/N/21 · 0580_w21_qp_23 · 0580 w21 23 · question 13.
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