Question

Completa :
34 hm²= m²
321 dm² = dam²
0,034 km² = dm²

Answer 1

$34 {hm}^{2} = 340000{m}^{2}$

$321 {dm}^{2} = 0.0321{dam}^{2}$

$0.034 {km}^{2} =3400000 {dm}^{2}$