Definition:Number Prefixes/10/Deca-

Definition
The prefix deca denotes $10$.

Also defined as
The prefix deca- is also used for the Système Internationale d'Unités metric scaling prefix denoting a multiplier of $10^1$.

However, this is easily confused with deci-.

Hence deka- is specifically preferred by in this context.

Also see

 * Definition:Deka-