chemistry
posted by kristi on .
If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube
of the same material with sides 2.54 cm in length be?

Figure the density first: 25.68g/1cm^3
then
mass=density(volume) 
65.2g

it's 420.8
ps: screw webwork