So Moses and Aaron went to Pharaoh and did just as the LORD had commanded. Aaron threw his staff down before Pharaoh and his officials, and it became a serpent.
Jewish Publication Society of America Version (JPS1917) - Exodus 7:10 >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.