SOLUTION: The earth has a total surface area of approximately 5.1x10^14 = 510,000,000,000,000 sq. meters. Seventy percent of this surface area is rock, ice, sand, and open ocean, Another 8

Question 294745: The earth has a total surface area of approximately 5.1x10^14 = 510,000,000,000,000 sq. meters. Seventy percent of this surface area is rock, ice, sand, and open ocean, Another 8% of the total surface area is tundra, lakes, streams, continental shelves, algal beds, reefs, and estuaries. We will consider the remaining area suitable for growning food and for living space.
Determine the surface area available for growning food and for living space.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
100-70-8=22
22% is arable and inhabitable
.22*5.1x10^14=1.12200x 10^14
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