Final answer:
The airplane can deliver 4.38*10⁴ liters of water in 2 trips.
Step-by-step explanation:
To determine how much water can be delivered in two trips, we need to multiply the amount of water delivered in one trip by the number of trips. The airplane can deliver 2.19*10⁴ liters of water in one trip, so for two trips, it can deliver: (2.19*10⁴) * 2 = 4.38*10⁴ liters of water.