Please help fast brainly will be given

Answer:
1. 500 milligrams
2. 6450 grams
3. 50 oranges
4. 30 weeks
5. 1500 grams
To do this, all you basically need to do is convert grams, milligrams, etc.
You also need to do Multiplying, Dividing, Adding, and Subtratcing.
Please give me Brainliest!