The Deepwater Horizon oil spill is often considered one of the worst ecological disasters in history. The environmental and societal costs are estimated to total 6.8 billion dollars. If it costs 630 dollars to clean up one gallon of oil, approximately how many gallons of oil spilled in this incident? Elimination Tool Select one answer A 108 106 gallons 10.8 x 10 gallons 1.8 106 gallons D 1.5 105 gallons