One decimeter = 0,1 meters
One millimeter = 0,001 meters
Hence:
One decimeter = 100 millimeters
One millimeter = 0,01 of a decimeter
90 decemeters
10 decimeters=1meter 10x90=900
113, exactly.
There are no centimeter's in a millimeter.
0.1cm per millimeter.
None, millimeter is length.
1 millimeter = 0.01 decimeters
One millimeter is 0.000001km
1 millimeter=0.0393700787 inches
Precisely and unequivocally, 1.
0.1cm per millimeter.
1 kilometer = 1000000 millimeter