Convert an area of 1 km21 \text{ km}^21 km2 to square meters.
1,000 m21,000 \text{ m}^21,000 m2
10,000 m210,000 \text{ m}^210,000 m2
100,000 m2100,000 \text{ m}^2100,000 m2
1,000,000 m21,000,000 \text{ m}^21,000,000 m2