Question

What are the general rules of conversation of units of measurement?

Answer 1

They are

milli centi deci unit deca hecto kilo

example

millimetre centimeter decimeter meter decametre hectometer kilometer

milli is 1 by 1000

centi is 1 by 100

deci is 1 by 10

unit

deca is 10

hecto is 100

kilo is 1000