0580/12 May/Jun 2022, Question 13: Cube Roots
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 3 marks
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The question, in short
Work out the value of √68 × √153, and find 6789^(1/3) rounded to 2 decimal places.
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Part (a) · 1 mark
Calculate the product of √68 and √153.
- 1√68 × √153 = √(68 × 153) = √10 404
- 2= 102
Answer102
Part (b) · 2 marks
Find the cube root of 6789, giving the result to 2 decimal places.
- 16789^(1/3) = ∛6789 = 18.935…
- 2≈ 18.94
Answer18.94
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