QUESTION: Fix punctuation: Like a number of other mathematicians Bombieri became interested in mathematics at a fairly early age
ANS: Like a number of other mathematicians, Bombieri became interested in mathematics at a fairly early age.

QUESTION: Fix punctuation: Trou aux Biches is a small village with exclusive resorts and private homes
ANS: Trou aux Biches is a small village with exclusive resorts and private homes.

QUESTION: Fix punctuation: If you need customer service assistance then contact us 7 8 9
ANS: a If you need customer service assistance, then contact us. 7 8 9

QUESTION: Fix punctuation: Other scholars believe the day of the Lord will be an instantaneous event when Christ returns to earth to redeem His faithful believers and send unbelievers to eternal damnation
ANS:
Other scholars believe the day of the Lord will be an instantaneous event when Christ returns to earth to redeem His faithful believers and send unbelievers to eternal damnation.