400 millimeters = 4 decimeters
Edit: Remember that the units for decimeters and millimeters are written in all lower case letters (dm and mm). A capital M mean mega- instead of milli- which means the decimal point can be 12 places too far to the left or the right.
There are 3250 mm in 32.5 dm. To convert decimeters (dm) to millimeters (mm), you multiply by 100.
1 dm is equal to 100 mm (as 1 dm = 10 cm 1 cm = 10 mm)
There are 1.7 decimeters (dm) in 17 millimeters (mm).
To convert 0.9 dm to mm, you would multiply by 100 because there are 10 mm in 1 dm. Therefore, 0.9 dm is equal to 90 mm.
100, you move the decimal places to the right two.
400
100 mm in a dm
100 mm = 1 dm
500 mm = 5 dm
There are 3250 mm in 32.5 dm. To convert decimeters (dm) to millimeters (mm), you multiply by 100.
1 dm is equal to 100 mm (as 1 dm = 10 cm 1 cm = 10 mm)
There are 1.7 decimeters (dm) in 17 millimeters (mm).
400 dm is 40 m
100 mm
mm is millimeters (thousandths of a meter).dm is decimeter (tenths of a meter).26.1 mm = 0.261 dm
1 dm = 10 cm 0.9 dm = 9 cm = 90 mm
2450 mm