The largest ruby in the world is #10.9# #cm# long, #9.10# #cm# wide, and #5.80# #cm# thick, giving it a overall volume of #575# #cm^3#. If the density of ruby - a form of aluminum oxide - is #3.97# #g##/##cm^3#, what is the mass of the largest ruby?

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Answer 1 · 2015-12-13T13:27:36

I found: #2283g#

I think you can use the definition of density as:

#"density"=("mass")/("volume")#

so that:
#"mass"="density"*"volume"#
#"mass"=3.97*575=2282.75~~2283g#