as. according as.
Pharaoh. Hebrew "the face of Pharaoh". Figure of speech Pleonasm. App-6.
Related Commentaries of Exodus 7:10
Exodus 7:10
10 And Moses and Aaron went in unto Pharaoh, and they did so as the LORD had commanded: and Aaron cast down his rod before Pharaoh, and before his servants, and it became a serpent.