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November 27, 2014

November 27, 2014

Posted by **Anonymous** on Thursday, January 20, 2011 at 10:29pm.

Assuming a gram of gold costs approximately $36, how many cubic centimeters of gold can you buy with a twenty dollar bill if the density of gold is 19320 kg / m3 ?

a)

0.029 cm3

b)

2.9 x 10-6 cm3

c)

0.56 cm3

d)

0.04 cm3

- physics -
**drwls**, Friday, January 21, 2011 at 12:25amTwenty dollars will buy you 20/36 = 0.556 grams of gold at that price.

Calculate the volume that has that mass, buy dividing the mass by the density.

It will be easier if you convert the density to 19.32 g/cm^3

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