Question

1. 17 hm²=.........ca
2. 40 mm²=.......are
3. 9 ha =....... m²
4. 400 ca=.........dm²
5. 7 are =..........m²

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Answer 1

1. 170.000 ca
2. 0,00004 are
3. 90.000 m persegi
4. 40000 dm persegi
5. 700 m persegi

Answer 2

1. 17 hm² = 17 × 10.000 m²
                = 170.000 m²
                = 170.000 ca
2. 40 mm² = 40 : 100.000.000 dam²
                 = 0,0.000.004 dam²
                 = 0,0.000.004 are
3. 9 ha    = 9 hm²
               = 9 × 10.000 m²
               = 90.000 m²
4. 400 ca  = 400 m²
                 = 400 × 100 dm²
                 = 40.000 dm²
5. 7 are  = 7 dam²
              = 7 × 100 m²
              = 700 m²