Convert the quantity shown to the indicated units. 4900 acres to square kilometers

Convert the quantity shown to the indicated units. 4900 acres to square kilometers

The correct answer and explanation is:

To convert 4900 acres to square kilometers, follow these steps:

1. Understand the conversion factor:
   1 acre is equal to 0.00404686 square kilometers. This is the key conversion factor we need.
2. Set up the conversion:
   To convert acres to square kilometers, multiply the number of acres by the conversion factor. 4900 acres×0.00404686 km2/acre4900 \, \text{acres} \times 0.00404686 \, \text{km}^2/\text{acre}
3. Perform the multiplication:
   Multiply 4900 by 0.00404686 to get the area in square kilometers. 4900×0.00404686=19.8 km24900 \times 0.00404686 = 19.8 \, \text{km}^2
4. Final Answer:
   Therefore, 4900 acres is equal to approximately 19.8 square kilometers.

This conversion is based on the fact that one acre is a unit of area commonly used in the United States, while square kilometers are used internationally, especially in metric systems. The conversion factor of 0.00404686 square kilometers per acre allows for easy conversion between these two units of area. This kind of conversion is useful when comparing land areas across countries that use different units of measurement.