Two cuboids

Find the volume of cuboidal box whose one edge is:

a) 1.4m and
b) 2.1dm

Correct answer:

V₁ =  2.744 m³
V₂ =  9.261 dm³

Step-by-step explanation:

$$\begin{gathered} a=1.4\text{ m } \\ {V}_1=a^3=1.4^3={\displaystyle \frac{343}{125}}={\displaystyle \frac{343}{125}}{\text{m}}^3=2.744{\text{m}}^3 \end{gathered}$$

$$\begin{gathered} b=2.1\text{ dm } \\ {V}_2=b^3=2.1^3=9.261{\text{dm}}^3 \end{gathered}$$

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