Respuesta :

v=a^3 
A= edge 
then multiply that number by itself 3 times
Example: 
v= 16^3
16 x 16 x 16 
4096
v= 4096
The  answer you are looking for is: 
Length*width*Height 
say the cube is in cm you would need to put [tex] cm^{3} [/tex] at the end. 
hope that helps!!
Have a wonderful day!!
 if you ever need help with anything feel free to ask me!!