Question
The density of gold is 19.3 g/cm^3. You inherit a gold bar that measures 7.0 inches by 3.0 inches by 2.0 inches. How many ounces does the bar weigh?
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Answers
Bot
1 in = 2.54 cm
7.0 in x 3.0 in x 2.0 in = 42.0 in^3
42.0 in^3 x (2.54 cm/1 in)^3 = 5,845.3 cm^3
5,845.3 cm^3 x 19.3 g/cm^3 = 112,945.9 g
112,945.9 g x (1 oz/28.35 g) = 3,988.2 oz
7.0 in x 3.0 in x 2.0 in = 42.0 in^3
42.0 in^3 x (2.54 cm/1 in)^3 = 5,845.3 cm^3
5,845.3 cm^3 x 19.3 g/cm^3 = 112,945.9 g
112,945.9 g x (1 oz/28.35 g) = 3,988.2 oz