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if you spread a billion 1-dollar bills on the ground, how many square miles would they cover

Guest Oct 27, 2017
 #1
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find the area of a 1 dollar bill, multiply it by a billion, voila! problem solved!

OfficialBubbleTanks  Oct 27, 2017
 #2
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Area of one dollar bill  =  100.75 cm^2

 

Area of 1 billion of them  =  100750000000 cm^2 =  1.0075 x 10^11    (1)

 

Number of sq cm to 1 sq mi  ≈  2.59 x 10^10  cm^2      (2)

 

So.....the answer is given by  (1) / (2)   ≈  3.9  sq mi    

 

 

cool cool cool

CPhill  Oct 27, 2017

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