The apostrophe in "y'all" represents the omission of the letter "o" in the word "you all." It is a contraction commonly used in Southern American English to address a group of people informally.
it's is a abbreviation of it is so it should have an apostrophe
The abbreviation for the word "significance" is "sig."
What's (the apostrophe replaces the letter that is dropped)
cents with no apostrophe because adding an apostrophe would make it cent is
In abbreviations (where every letter is capitalized), use an apostrophe to indicate that the "s" is not part of the abbreviation.
If you mean as an abbreviation of 'old', then the apostrophe would be at the end of the word (ol'), because the apostrophe shows that the 'd' at the end of the word has been omitted.
The apostrophe in "y'all" is significant because it represents the contraction of "you all," indicating a plural form of "you." In 2021, the use of "y'all" continues to be a common and accepted way to address a group of people in informal speech, particularly in Southern American English.
It's. But be careful, because 'it's' is also an abbreviation of 'it is'.
The apostrophe has two functions: to indicate missing letters due to contraction or abbreviation, and to indicate the possessive. I can't tell you which of the two is the apostrophe's main function. (The previous sentence uses both: "can't" is a contraction and "apostrophe's" is a possessive)
With an s. The apostrophe without the s is used only for plurals and the names Jesus and Moses. All other possessives take 's regardless of spelling. For example, CDSS's annual dance.
Wasn't. (Remember wasn't is an abbreviation for 'Was Not' the apostrophe replaces the 'o' in 'not' making it wasn't).
We're is the contraction of we are. Contractions are formed by replacing the missing letters with an apostrophe.