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.
1 dm is equal to 100 mm (as 1 dm = 10 cm 1 cm = 10 mm)
17 mm = 1.7 cm = 0.17 dm
32.5 dm = 325 cm = 3250 mm
there are 100 mm in 1dm
The two conversions you need will be - 1 dm (decimeter) = 10 cm (centimeter) 1 cm (centimeter) = 10 mm (millimeter) First, we will convert 2.99 dm to cm. 2.99 dm x 10 cm/dm = 29.9 cm Now, we will convert 29.9 cm to mm. 29.9 cm x 10 mm/cm = 299 mm So, 2.99 dm = 299 mm
400
100 mm in a dm
100 mm = 1 dm
500 mm = 5 dm
400 dm is 40 m
1 dm is equal to 100 mm (as 1 dm = 10 cm 1 cm = 10 mm)
100 mm
17 mm = 1.7 cm = 0.17 dm
32.5 dm = 325 cm = 3250 mm
600 mm = 60 cm = 6 dm
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