Deka is longer.
Deci meter comes before deka/deca meter since a deci meter is equal to 1 tenth of a meter so 10 cm while a deka/deca meter is equal to 10 meters.
Kilo Hecto Deka Meter Deci Centi Milli 3.5cm = 0.000035 km
mili, deci, centi, hecto, kilo, deka
kilo, hecto, deka, 1 unit, deci, centi, milli, micro, nano, pico
When you are converting from a unit to the next smaller unit where the difference is a factor of 10: kilo - hecto, hecto - deka deka - unit unit - deci deci- centi centi - milli Other prefices involve steps of 1000.
they are french and originally derived from greek
No. The prefixes 'deci' and 'deca' are both derived from the Greek deka, meaning 'ten'
kilo hecto deka UNIT deci centi milli6 meters (unit) = 600 centimeters
deka Milli
kilo hecto deka basic unit deci centi milli
Deka, abbreviated "D". This has to be written with an uppercase "D", to distinguish it from the prefix "deci" (1/10).