To be at the "right hand of God" is a symbolic action of receiving great honor and authority from God. Alternate translation: "God exalted him to the place of honor beside him" (See: [[rc://en/ta/man/translate/translate-symaction]])
The words "repentance" and "forgiveness" can be translated as verbs. Alternate translation: "give the people of Israel an opportunity to repent and have God forgive their sins" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])