physics
posted by Anonymous .
can some one explain this
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 106 cm3
c)
0.56 cm3
d)
0.04 cm3

Twenty 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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