question: we explained above how a lack of understanding of the theory of errors in méchain's time led him to down this path since he blamed himself for the discrepancies.
Capitalize this past sentence correctly.
A: We explained above how a lack of understanding of the theory of errors in Méchain's time led him to down this path since he blamed himself for the discrepancies.

question: the primary thing to note here is that samsung’s galaxy s9 plus has dual cameras and the 5.8-inch version doesn’t. the galaxy s9 plus joins the galaxy note 8 as a dual-camera flagship devices.
Capitalize this past sentence correctly.
A: The primary thing to note here is that Samsung’s Galaxy S9 Plus has dual cameras and the 5.8-inch version doesn’t. The Galaxy S9 Plus joins the Galaxy Note 8 as a dual-camera flagship devices.

question: product details: taurus chin-up bar/punching bag fixation
Capitalize this past sentence correctly.
A: Product details: Taurus chin-up bar/punching bag fixation