If a square has a side of 10 cm10 \text{ cm}10 cm, what is its area in square decimeters\text{square decimeters}square decimeters?
0.1 dm20.1 \text{ dm}^20.1 dm2
1 dm21 \text{ dm}^21 dm2
10 dm210 \text{ dm}^210 dm2
100 dm2100 \text{ dm}^2100 dm2