Mathematics, 17.10.2020 21:01 jaydaxox15

1. The approximate total surface area of Earth is 5.1 x 10^8 k^2. All the salt water on Earth has an approximate surface area of 352,000,000 km^2, and all the
freshwater on Earth has an approximate surface area of 9x10^6 km^2. How
much of Earth's surface is covered by water, including both salt and fresh water?
Write your answer in scientific notation.*

2. How much of Earth's surface is covered by land? Write your answer in
scientific notation.
Your answer

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