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One of the standard sizes of rectangular gold bars is 5 cm wide by 6 cm high by 20 cm long. The actual density of gold is 19.3 grams/cm3, but you may use a value of 20 grams/cm3 to make the calculations easier

 Apr 24, 2020
 #1
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The bar's volume = 5 x 6 x 20 cm3 = 600 cm3

Weight of bar is

600 cm  x   20 gm/cm = .........   gm    (see how the cm3 cancels and you are left with gm ?)

 Apr 24, 2020

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