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Kelsey correctly used the Fermi process and the following estimates to determine how many books would fill a railroad car.

A book is about 1 ft long, 12 ft wide, and 15 ft thick.

A railroad car is about 60 ft long, 10 ft wide, and 10 ft high.

 

Which equation could she have written?

6×1031×10−1=6×104

6×1031×10−1=6×102

6×1041×10−1=6×105

6×1041×10−1=6×103

jbouyer  May 9, 2017
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6x10^3

1x10^-1  = 6 x 10^4

Guest Jun 13, 2017

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