[6:6] 1 tn Literally this is a participle in the Greek text (προσευξάμενοι, proseuxamenoi). It could be translated as a finite verb (“and they prayed and placed their hands on them”) but much smoother English results if the entire coordinate clause is converted to a relative clause that refers back to the apostles.
[6:6] sn Who prayed. The prayer indicates their acceptance and commissioning for ministry (cf. Deut 34:9).
[6:8] 3 tn The miraculous nature of these signs is implied in the context. Here the work of miracles extends beyond the Twelve for the first time.