How much space does 1 billion dollars take up?

How much space does 1 billion dollars take up? The area covered by 1,000,000,000 (one billion) one dollar bills measures 4 square miles. This would cover an area equal to the size of 2,555 acres. The area covered by 100,000,000,000 (one hundred billion) one dollar bills measures 400 square miles.

The area covered by 1,000,000,000 (one billion) one dollar bills measures 4 square miles. This would cover an area equal to the size of 2,555 acres. The area covered by 100,000,000,000 (one hundred billion) one dollar bills measures 400 square miles.
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