When writing negative exponents as positive exponents, you move the base (the number being exponentiated) to the denominator and the exponent becomes positive.
Assuming the 2,6,1 are length, width and height we can use the formula Volume= length • width • height. When you plug those in you will get 2•6•1= 12. The volume is 12 cubic millimeters. Or 12 cubed
