Răspuns:
[tex]\boxed{\bf m=5500\,g}[/tex]
Explicație:
[tex]\boxed{ \bf \rho = \dfrac{m}{V} } \implies \begin{cases} \bf m= \rho \cdot V \\ \\\bf V= \dfrac{m}{\rho} \end{cases}[/tex]
[tex]\bf V_{cub} = l^3 =10^3 cm^3 \iff \boxed{\bf V=1000\, cm^3 }[/tex]
[tex]\boxed{\bf \big[\; \rho \; \big]_{S.I.} = \dfrac{\big[\; m\; \big]_{S.I.} }{\big[\; V \; \big] _{S.I.} } = \dfrac{kg}{m^3} = \dfrac{g}{cm^3} }[/tex]
[tex]\bf \boxed{ \bf m = \rho \cdot V} \implies m = 1000\, cm^3 \cdot 5,5 \dfrac{g}{cm^3}[/tex]
[tex]\bf m=1000 \cdot 5,5 \, g \iff \boxed{\bf m = 5500\, g}[/tex]
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