Respuesta :

Kilometer - km - 1,000

Hectameter - hm - 100

Decameter - dam - 10

Millimeter - mm - 0.001

The table provides clear prefix rules.

The prefixes can be used for most (if not all) units such as grams (kg,mg...).

Hello there i hope you are having a good day :) Answer :

Prefix with the base unit meter :   Symbol :        Number of meters  :

. (kilometre)                                       (Km)              =   1000 m

. (Hectometre)                                   (HM)             =   100 m

. (Decameter)                                    (Dam)            =   10 meters

. (Millimetre)                                       (mm)             =   0.001 meters

Hopefully this help you :)