# the brightness of God's glory, the exact representation of his being

"glory and is just like God" or "glory, and what is true about God is true about the Son"

# the word of his power

"his powerful command" 

# After he had made cleansing for sins

"After he had finished making us clean from sins" or "he had made it possible for God to forgive our sins" 

# he sat down at the right hand of the Majesty on high

"he sat down at the place of honor and authority beside God Most High"