Answer
$2.70\times10^{3} kg/m^{3}$
Work Step by Step
We use unit conversions to obtain:
2.70 g/$cm^{3}$ = $\frac{2.70g}{cm^{3}}\times\frac{kilo}{10^{3}}\times\frac{cm^{3}}{10^{-6}m^{3}}$ = $2.70\times10^{3}$ $kg/m^{3}$
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