What is the volume of a cube with length 4 inches? v=lwh

The answer is:  "64 cubic inches" ;  or, write as:  "64 in³ " .

Explanation:

V = L * w * h ; 

  = (4 inches) * (4 inches) * (4 inches) ;  

(since a "cube" has the same length, width, and height)
  
 =  (4*4*4) inches * inches * inches) ;

 = 16 * 4 * inches³ ;

= 64 inches³ ; or, write as: "64 in³ " ; or, write as:  "64 cubic inches" .