You can put this solution on YOUR website! List the lengths in order from shortest to longest
Change them all to meters
3.9 millimeters = .0039 m
45 millimeters = .045 m
30.7 centimeters = .307 m
.022 meters
.035 meters
then
3.9 mm, .022 m; .035 m; 45 mm; 30.7 cm