Final answer:
If 32,700,000 km3 of ice melted into an ocean basin with a surface area of 250,000,000 km2, the sea level would rise by approximately 117,720 km.
Step-by-step explanation:
To determine how much the global sea level would rise if 32,700,000 km3 of ice melted into an ocean basin with a surface area of 250,000,000 km2, we need to calculate the volume of water released and divide it by the surface area of the ocean basin.
Using the given information, the volume of ice would be 32,700 km3 x 0.9 = 29,430 km3 of water released. Converting km3 to m3, we get 29,430,000,000,000,000 m3 of water released. Dividing this by the surface area of the ocean basin (250,000,000,000 m2), we get approximately 117,720,000 m or 117,720 km of sea level rise.