0580/11 May/Jun 2024, Question 19: Using a Calculator
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 2 marks
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The question, in short
Calculate two numerical expressions: a cube root minus a square root, and a bracket raised to the power 1.25.
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Part (a) · 1 mark
Work out the cube root of 343 minus the square root of 40.96.
- 1∛343 = 7, √40.96 = 6.4
- 27 − 6.4 = 0.6
Answer0.6 or 3/5
Part (b) · 1 mark
Work out 192 + 4 × 16, then raise the result to the power 1.25.
- 1192 + 4 × 16 = 192 + 64 = 256
- 2256¹.25 = 1024
Answer1024
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