Asked by lynette
a piece of iron measures 10.5cm by 5.25cm by 10.2mm and the density of theiron is 7.86g/cm cubed. what is the mass of the iron?
Answers
Answered by
Devron
Convert 10.2mm to cm:
10.2mm*(10^-1cm/1mm)=10.2 x 10^-1 cm
Find the volume of the cube:
(10.5cm)*(5.25cm)*(10.2 x 10^-1 cm)=volume of cube
Density=mass/volume
Solve for mass:
Density*Volume=mass
7.86g/cm^3*Volume of cube=mass
10.2mm*(10^-1cm/1mm)=10.2 x 10^-1 cm
Find the volume of the cube:
(10.5cm)*(5.25cm)*(10.2 x 10^-1 cm)=volume of cube
Density=mass/volume
Solve for mass:
Density*Volume=mass
7.86g/cm^3*Volume of cube=mass
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