50 of course !
One millimeter is 0.393701 inches.
1 millimeter = 0.0393700787 inches
5cm
5cm
5cm is half a decimetre.
None the millimeter is smaller than the Centimeter
5cm*5cm*5cm = 125 cubic cm.
The volume of a cube of 5cm is: 125 cm3
5cm to the 3rd power = 5cm x 5cm x 5cm = 125cm3 (or 125 cubic centimeters)
1 millimeter=0.001 meters
9cm + 5cm + 9cm + 5cm = 28cm