question: many "ordinary" speakers has got a spl of 90-93 db - a leap of 10 db.
Capitalize this past sentence correctly.
A: Many "ordinary" speakers has got a SPL of 90-93 dB - a leap of 10 dB.

question: overall student rating: 4.1 /5.0 (46 reviews)
Capitalize this past sentence correctly.
A: Overall student rating: 4.1 /5.0 (46 reviews)

question: in the following nights the same happened, therefore, the mining of this sea area was quitted.
Capitalize this past sentence correctly.
A: In the following nights the same happened, therefore, the mining of this sea area was quitted.