Answer:
68.47 square centimeters per minute equals 9.860 × 10⁻⁶ square kilometers per day.
Step-by-step explanation:
From Physics we get that a square kilometer equals 10¹⁰ square centimeters and a day equals 1440 minutes. Then, oil spill growth rate is found by making this conversion:


68.47 square centimeters per minute equals 9.860 × 10⁻⁶ square kilometers per day.