Add punctuation: Some research is both very expensive and needs to be done on a very large scale to provide meaningful results
A: Some research is both very expensive and needs to be done on a very large scale to provide meaningful results.

Add punctuation: 7 And they warred against the Midianites as the LORD commanded Moses and they slew all the males
A: 7 And they warred against the Midianites, as the LORD commanded Moses ; and they slew all the males.

Add punctuation: Fix Unreadable Microsoft PPTPTTX Presentation Files
A:
Fix Unreadable Microsoft PPT/PTTX Presentation Files