So, We Must Use The Formula. Before We Can Use It, We Must Remember It. (lol) So, The Formula Is: V = S^3. Or V = S*S*S So, We Must Do: V = 14^3 Or V = 14*14*14. 14*14 = 196 So V = 196*14 196*14 = 2744. So, The Volume Of A Cube With A Side Length Of 14 mm. Is 2744 mm. ^3. I Hope This Explanation Helps!