The total land area on earth is about 6×10 to the seventh power square miles. The layered of Australia is about 3×10 to the six power square miles. About how many times larger is the land on earth than land of Australia
The is earth is 20 times larger than the land of Australia. 6 times 10^7 is 60,000,000 and 3 times 10^6 is 3,000,000 and when you divide that you get 20.
