4024/11 Oct/Nov 2024, Question 7: Estimation
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Estimate the value of (3.1 × 26.7)/(6.9 − 2.3) by rounding each number to 1 significant figure first.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1Rounded values: 3, 30, 7, 2
- 2(3 × 30)/(7 − 2) = 90/5
- 3= 18
Answer18
Stuck on a step? Read the free lesson: Estimation
Practise more estimation questions
Real 4024 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on estimation
Also searched as: 4024/11/O/N/24 · 4024_w24_qp_11 · 4024 w24 11 · question 7.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.