It is important to look at all the information's given in the question before going for solving the question.
The side of the cube given in the cube = 15 mm
Then
Volume of the cube = (Side)^3
= (15)^3 cubic inches
= 3375 cubic inches
So the volume of the cube having side 15 mm is 3375 cubic inches. I hope the procedure is clear enough for you to understand.You can always use this method for solving similar problems in future without requiring any additional help from outside.
