KJV: And the LORD said unto Moses, When thou goest to return into Egypt, see that thou do all those wonders before Pharaoh, which I have put in thine hand: but I will harden his heart, that he shall not let the people go.
NASB: The LORD said to Moses, "When you go back to Egypt see that you perform before Pharaoh all the wonders which I have put in your power; but I will harden his heart so that he will not let the people go.
KJV: When Pharaoh shall speak unto you, saying, Shew a miracle for you: then thou shalt say unto Aaron, Take thy rod, and cast it before Pharaoh, and it shall become a serpent.
NASB: "When Pharaoh speaks to you, saying, 'Work a miracle,' then you shall say to Aaron, 'Take your staff and throw it down before Pharaoh, that it may become a serpent.'"
KJV: And Moses and Aaron did all these wonders before Pharaoh: and the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go out of his land.
NASB: Moses and Aaron performed all these wonders before Pharaoh; yet the LORD hardened Pharaoh's heart, and he did not let the sons of Israel go out of his land.
KJV: Or hath God assayed to go and take him a nation from the midst of another nation, by temptations, by signs, and by wonders, and by war, and by a mighty hand, and by a stretched out arm, and by great terrors, according to all that the LORD your God did for you in Egypt before your eyes?
NASB: "Or has a god tried to go to take for himself a nation from within another nation by trials, by signs and wonders and by war and by a mighty hand and by an outstretched arm and by great terrors, as the LORD your God did for you in Egypt before your eyes?
KJV: The great temptations which thine eyes saw, and the signs, and the wonders, and the mighty hand, and the stretched out arm, whereby the LORD thy God brought thee out: so shall the LORD thy God do unto all the people of whom thou art afraid.
NASB: the great trials which your eyes saw and the signs and the wonders and the mighty hand and the outstretched arm by which the LORD your God brought you out. So shall the LORD your God do to all the peoples of whom you are afraid.
KJV: And the sign or the wonder come to pass, whereof he spake unto thee, saying, Let us go after other gods, which thou hast not known, and let us serve them;
NASB: and the sign or the wonder comes true, concerning which he spoke to you, saying, 'Let us go after other gods (whom you have not known) and let us serve them,'