4MA1/1F Jan 2022, Question 11: Using a Calculator
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 3 marks
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The question, in short
Use a calculator to evaluate 7.45 divided by (4.3² − 2.9), giving the full calculator display, then round that result to 3 decimal places.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 2 marks
Calculate 7.45 ÷ (4.3² − 2.9) on a calculator and write the complete decimal shown on the display.
- 14.3² = 18.49
- 2Bottom: 18.49 − 2.9 = 15.59
- 37.45 ÷ 15.59 = 0.47787(04298...)
Answer0.47787(04298...)
Part (b) · 1 mark
Round the value 0.477870429… from part (a) to 3 decimal places.
- 10.47787 rounded to 3 decimal places is 0.478
Answer0.478
Stuck on a step? Read the free lesson: Using a Calculator
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