Answer
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Step 1:I'll solve this unit conversion problem step by step:
Step 2:: Recall the conversion factor between kilograms and pounds
The standard conversion factor is: 1 kg = 2.20462 lb
Step 3:: Set up the conversion calculation
81 \text{ kg} \times \frac{2.20462 \text{ lb}}{1 \text{ kg}}
Step 4:: Multiply the numbers
81 \times 2.20462 = 178.57422 \text{ lb}
Step 5:: Round to a reasonable number of significant figures
Since the original measurement (81 kg) has two significant figures, we'll round our answer to two significant figures.
Final Answer
Key Insights: - Always use the exact conversion factor - Multiply the number of kilograms by the conversion factor - Maintain consistent significant figures with the original measurement
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