6. Then Moses and Aaron did so; just as the Lord commanded them, so they did.
7. And Moses was eighty years old and Aaron eighty-three years old when they spoke to Pharaoh.
8. Then the Lord spoke to Moses and Aaron, saying,
9. “When Pharaoh speaks to you, saying, ‘Show a miracle for yourselves,’ then you shall say to Aaron, ‘Take your rod and cast it before Pharaoh, and let it become a serpent.’ ”