0580/31 May/Jun 2026, Question 21: Standard Form
Cambridge IGCSE Mathematics 0580 · Paper 31 (Core) · Calculator · 2 marks
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The question, in short
Add 8.7 × 10⁸ and 2.4 × 10⁷, giving the result in standard form.
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Solution · 2 marks
- 18.7 × 10⁸ = 870 000 000 and 2.4 × 10⁷ = 24 000 000
- 2Sum = 894 000 000
- 3= 8.94 × 10⁸
Answer8.94 × 10⁸
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