SOLUTION: The total surface area of Earth is about 1.97 × 10^8 square miles. The surface area of land on Earth is about 5.73 × 10^7 square miles. Find the ratio of surface area of land of

Algebra ->  Algebra  -> Percentage-and-ratio-word-problems -> SOLUTION: The total surface area of Earth is about 1.97 × 10^8 square miles. The surface area of land on Earth is about 5.73 × 10^7 square miles. Find the ratio of surface area of land of       Log On

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Question 456578: The total surface area of Earth is about 1.97 × 10^8 square miles. The
surface area of land on Earth is about 5.73 × 10^7 square miles.
Find the ratio of surface area of land of the entire planet.
Answer by ankor@dixie-net.com(15660) About Me  (Show Source):
You can put this solution on YOUR website!
The total surface area of Earth is about 1.97 × 10^8 square miles.
The surface area of land on Earth is about 5.73 × 10^7 square miles.
:
%285.73%2810%5E7%29%29%2F%281.97%2810%5E8%29%29
we can also write it
%285.73%2810%5E7%29%29%2F%2819.7%2810%5E7%29%29
Cancel the 10^7
5.73:19.7 is the ratio of land to total surface area