Answer :
Remember that D=m/v
to find the volume remember the equation v=LWH
V=25*10*4=1000cm^3
M=15g
Dm/v=15g/1000cm^3=0.015g/cm^3
to find the volume remember the equation v=LWH
V=25*10*4=1000cm^3
M=15g
Dm/v=15g/1000cm^3=0.015g/cm^3