Is 897.60 square millimeters as big as Lake Superior?
It's about 0.00000000000001 times as big as Lake Superior
The size of Lake Superior is about 82,100,000,000,000,000.00000000000000000000 square millimeters.
(a.k.a. Lac Supérieur, a.k.a. Gitchigumi, a.k.a. Gitche Gumee) (surface area)
Both the largest of North America's Great Lakes and the largest freshwater lake in the world (by surface area), Lake Superior has a total area of 82,100,000,000,000,000.00000000000000000000 square millimeters. It borders the cities of Duluth, Minnesota and Thunder Bay, Ontario, Canada
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