>>76318451
yeah rows should be hitting your upper back that's what their for.

You can use a chest supported row instead, if you'd like, both are good, chest supported row have less of a learning curve and will not tax your lower back which is good if your doing them after a heavy leg workout or you train legs the next day.
>>76317264
bragging rights and also, most strength programs work on percentages of your 1rm, so a program may tell you to do a 3x3 at 85% on ohp, lets say you ohp 100kg well that would mean the program requires you to do a 3x3 with 85kg then. Pic rel is an example