You're listing the volume in cubic kilometers (km^3) and the density in metric tons/cubic kilometer (t/km3). So if you multiply the two, you would get the mass of the Earth in tonnes or metric tons.
That's assuming the "t" symbol represents "tonne" but depending on what country you're in, it could also mean short ton or long ton.
For the standard SI definition, you can see this page:
https://www.convertunits.com/info/tonne
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| 04/23/2009, 2:26 AM | Earth Mass |
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