Numerology. 1  Chaldean Numerology. The numerical value of combined joint special operations task force in Chaldean Numerology is: 7. 2  Pythagorean Numerology. The numerical value of combined joint special operations task force in Pythagorean Numerology is: 5.
Guide to Comma Use. Learning when to and when not to use commas is a difficult and sometimes overwhelming task for many writers, but it is absolutely essential because commas are signals that tell readers which words need to be separated from each other or which words are not essential to the basic grammar of a sentence.
There is no real 'right' answer to this question; it is merely a matter of consistency and personal preference. I like to use a comma before 'and', but if you don't, that is also fine. The important thing is that you remain consistent. If you are going to put a comma before 'and' in a list, then always do it.