4MA1/1HR Jun 2025, Question 14: Standard Form
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1HR (Higher) · Calculator · 2 marks
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The question, in short
Add 6.7 × 10¹³⁵ and 3 × 10¹³⁴, giving the result in standard form.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 13 × 10¹³⁴ = 0.3 × 10¹³⁵
- 26.7 × 10¹³⁵ + 0.3 × 10¹³⁵ = (6.7 + 0.3) × 10¹³⁵
- 3= 7 × 10¹³⁵
Answer7 × 10¹³⁵
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