1. Identify the conversion factor between kilometers and hectometers.
1 \, \text{km} = 10 \, \text{hm}
2. Multiply the given value in kilometers by the conversion factor.
6.89 \, \text{km} \times 10 \, \text{hm/km} = 68.9 \, \text{hm}
3. The final answer is
68.9 \, \text{hm}