Can anybody help me I’m stuck

Answer:
343
Step-by-step explanation:
Volume of a cube = s³
where s = side length of cube.
Here we are given that the edge of the cube measures 7 inches so S = 7
V = s³
==> s = 7
V = 7³
==> evaluate exponent
V = 343
[tex] \huge \tt \color{pink}{A}\color{blue}{n}\color{red}{s}\color{green}{w}\color{grey}{e}\color{purple}{r }[/tex]
[tex] \large\underline{ \boxed{ \sf{✰\:Important\: point's }}}[/tex]
Cube:-
Hence
[tex]\rule{70mm}{2.9pt}[/tex]
[tex]\sf\:volume \:of \:cube ⇒ {7}^{3} \\\sf\: volume\: of \:cube⇒7 \times 7 \times 7 \\ \sf\:volume\: of \:cube ⇒343in³[/tex]
Hence the volume of cube = 343in³
[tex]\rule{70mm}{2.9pt}[/tex]
[tex] \pink{\underline{ \boxed{ \sf{✰\:343in³ ✓}}}}[/tex]
Hope it helps !