Recall that the density of a material is just
d = m/V
m = mass
V = volume
Also, the volume of a rectangular solid is given by
V = l*w*h
l = length
w = width
h = height
d = 80 / (3*6*4)
d = 80 / 72
d = 1.11 g / cm^3
No, it will NOT float because the density of wood is greater than density of water (which is approximately 1 g /cm^3 at standard temperature & pressure)
d = m/V
V = m/d
V = 125 / 0.5
V = 250 mL
Hope this helps~ :)
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