I need clarification on my answer ASAP please thank u number 2

I Need Clarification On My Answer ASAP Please Thank U Number 2 class=

Answer :

we use the formula of the volume of a rectangular prism

[tex]V=A_B\cdot DBB[/tex]

where DBB is 9 inches

and the AB is the area of the base

[tex]\begin{gathered} A_B=34\times23 \\ A_B=782 \end{gathered}[/tex]

Finally the volume is

[tex]\begin{gathered} V=782\times9 \\ V=7038 \end{gathered}[/tex]

total volume is 7038cubic inches