An oil spill is growing at a rate of 68.47 cm2/min, how many km2/day is this?

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

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.

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