On March 24, 1989, the Exxon Valdez dumped 10.8 million gallons of oil into the pristine waters of Prince William Sound. If this spill had happened in open water, how many square miles of ocean would be covered by an oil slick that is 0.5 mm thick?

Answer 1

Check my thinking.
I would go to google.com and type in
"10.8 million gallons to cubic millimeters" without the quotation marks. That's a lot easier than trying to convert yourself. Now we know the volume is
V = pi*r² *h.
Plug in the value for V from Google, and solve for pi*r² by diving V by h (h=0.5 mm). The answer you get will be pi*r² which is the area. Then go to google and type in "the area value you have to square miles" without the quotation marks and hit enter.

Answer 2

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