a block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. it has a mass of 213 g. what is its density? a. 638 g/cm3 b. 6240 g/cm3 c. 0.0773 g/cm3 d. 7.89 g/cm3

Respuesta :

Volume = 3 cm × 3cm × 3cm
             =  27 cm ³

Mass  =  213 g

Density  =  [tex] \frac{MASS}{VOLUME} [/tex]
 
              = [tex] \frac{213 g}{27 cm ^{3} } [/tex]
 
              =  7.89 g / cm³

Thus answer is D.