Question

the density of gold is 19.3 g/cm^3. You inherit a gold bar that measures 7.0 in by 3.0 in by 2.0 in. How many ounces does the bar weigh? Express answer in scientific notation.

Answer 1

You can work out the following: Mass = Density x Volume Density = Mass Ă· Volume Volume = Mass Ă· Density The density of gold is 0.670205 oz/cm^3 The volume is length x width x depth = 7*3*2 = 42 The answer is Mass = 0.670205 x 42 = 281 ounces