Answer
$2.6g/cm^3$
Work Step by Step
length = 8.53cm
height = 1.0cm
width = 2.4cm
$V=length\times width \times height$
$=8.53\times2.4\times1.0$
$Density=\frac{mass}{volume}$
$=\frac{52.7064}{8.53\times2.4\times1.0}$
$\approx2.574560375$
$=2.6g/cm^3$