Add punctuation: To get a more accurate age determination you must measure fossilets content of certain radioactive isotopes
A: To get a more accurate age determination, you must measure fossilets content of certain radioactive isotopes.

Add punctuation: None of these feature any Latin quotes
A: None of these feature any Latin quotes.

Add punctuation: There is no fixed formula for how we work with you but we guarantee valuable knowledge through experience
A:
There is no fixed formula for how we work with you, but we guarantee valuable knowledge through experience.