jawablah pertanyaan diatas?

1. 3 kg = 1kg = 10 ons = 30 ons....
2. 4 kg = 4 × 1000 = 4000 g....
3. 4 ons = 1 ons = 100 gram = 400 gram....
4. 150 ons = 150 kg....
5. 2.500 g = 25 ons.....