4024/12 Oct/Nov 2021, Question 1: Square Roots
Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 2 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Evaluate two expressions: the square root of 4900 and 5 cubed.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Find the square root of 4900.
- 1√4900 = √49 × √100 = 7 × 10 = 70
Answer70
Part (b) · 1 mark
Find the value of 5 cubed.
- 15³ = 5 × 5 × 5 = 125
Answer125
Stuck on a step? Read the free lesson: Square Roots
Practise more square roots 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 square roots
Also searched as: 4024/12/O/N/21 · 4024_w21_qp_12 · 4024 w21 12 · question 1.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.