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4024/11 Oct/Nov 2022, Question 10: Standard Form

Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 3 marks

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The question, in short

Convert a large number to standard form, then evaluate a division of two numbers given in standard form, giving the result in standard form.

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

Part (a) · 1 mark

Write 320 000 000 in standard form.

  1. 1320 000 000 = 3.2 × 10⁸

Answer3.2 × 10⁸

Part (b) · 2 marks

Evaluate (2 × 10⁻³)/(4 × 10⁹) and give the answer in standard form.

  1. 1(2 × 10⁻³)/(4 × 10⁹) = 0.5 × 10⁻¹²
  2. 2= 5 × 10⁻¹³

Answer5 × 10⁻¹³

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Also searched as: 4024/11/O/N/22 · 4024_w22_qp_11 · 4024 w22 11 · question 10.
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