Answer: 450 grams
Explanation:
Lots of ways to approach this. To convert kilograms to grams you multiply by 1,000 and vice Versa.
Pumpkin 1: 3.2*1000=3200 grams
Pumpkin 2: 2.75*1000=2750 grams
3200-2750=450 grams
Answer: The first pumpkin weighs 450 more grams.