Answer
$2.7\times10^{3}$ $kg/m^{3}$
Work Step by Step
We know that 1 kg = 1000g and $1m^{3} = 10^{6}cm^{3}$.
Then, 2.7 $g/cm^{3}$ = $\frac{2.7g}{cm^{3}}\times\frac{1kg}{1000g}\times\frac{10^{6}cm^{3}}{1m^{3}}$ = 2700 $kg/m^{3}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.