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A wood board that is in the shape of a rectangular prism measures 0.3 mile by 2.1 miles by 0.1 mile and has a mass of 0.07 kilogram

 

what is the density of the board?

round final answer to nearest tenth

whosmans  Apr 11, 2018
 #1
avatar+89710 
+1

Mass  = Density * Volume

 

Mass / Volume  = Density

 

The volume of the board is  0.3 * 2.1 * 0.1  = .063 miles^3

 

So....the density is

 

0.07 kg  / .063 miles^3   =

 

1.1 kg / miles^3

 

 

cool cool cool

CPhill  Apr 11, 2018
 #2
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Boy, that is some density of "wood board". By the way, it is equivalent to a density of 1 drop of water in a small pond the size of about 75 Olympic swimming pools!!!.

Guest Apr 11, 2018

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