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A cube is made of an unkown material has a height of 9 cm. The mass of this cube is 3,645 grams. Calulate the density of this cube given this information. Hint: a cube 6 equal sides
 Oct 11, 2013

7+0 Answers

 #1
avatar+118667 
0
Density is mass divided by volume, does that help?
 Oct 11, 2013
 #2
avatar+40 
0
To get volime in this case would it be l(w)(h)?
 Oct 11, 2013
 #3
avatar+118667 
0
yes, that is right.
 Oct 11, 2013
 #4
avatar+40 
0
Thank you much!
 Oct 11, 2013
 #5
avatar+118667 
0
You are very welcome
did you get 3645 / (9^3) = 0.499 g/cm 3 (to 3 significant figures)
 Oct 11, 2013
 #6
avatar+40 
0
More or less I got 5 g/cm^3
 Oct 11, 2013
 #7
avatar+118667 
0
That is the same only to 1 significant figure.
cheers.
 Oct 11, 2013

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