Mathematics for IGCSE & O level - Limits Of Accuracy (Section 1 - No. 42)
A rectangle measures 12.0 cm by 5.0 cm, with both measurements correct to 1 decimal place. What is the greatest possible area?
59.25 cm²
60.0 cm²
60.75 cm²
61.0 cm²
Explanation
Upper bound is 12.05 * 5.05 = 60.9525, or 60.95cm to 2 decimal places
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