Question: In particular IX is just X It turns out that it is often useful to represent a matrix as a product with the identity matrix
Please fix the punctuation.
Fixed: [In particular, IX is just X. It turns out that it is often useful to represent a matrix as a product with the identity matrix.]

Question: Bromelain pineapple enzyme has an antiinflammatory effect
Please fix the punctuation.
Fixed: [Bromelain (pineapple enzyme) has an anti-inflammatory effect.]

Question: The article highlighted a method to overcome this without enabling first party cookies globally for all sites and extensions in the browser
Please fix the punctuation.
Fixed: [The article highlighted a method to overcome this without enabling first party cookies globally for all sites and extensions in the browser.]

Question: What is the cost of the full version game
Please fix the punctuation.
Fixed:
[What is the cost of the full version game?]