Răspuns :
98 dm ² = 0 , 98 m²
0 , 98 m²= 0 , 0098 dam²
0 , 0098 dam ²= 0 , 000098 hm²
0 , 000098 hm² = 0 , 000098 ha
0 , 98 m²= 0 , 0098 dam²
0 , 0098 dam ²= 0 , 000098 hm²
0 , 000098 hm² = 0 , 000098 ha