KJV: And they shall hearken to thy voice: and thou shalt come, thou and the elders of Israel, unto the king of Egypt, and ye shall say unto him, The LORD God of the Hebrews hath met with us: and now let us go, we beseech thee, three days' journey into the wilderness, that we may sacrifice to the LORD our God.
NASB: "They will pay heed to what you say; and you with the elders of Israel will come to the king of Egypt and you will say to him, 'The LORD, the God of the Hebrews, has met with us. So now, please, let us go a three days' journey into the wilderness, that we may sacrifice to the LORD our God.'
KJV: And Moses answered and said, But, behold, they will not believe me, nor hearken unto my voice: for they will say, The LORD hath not appeared unto thee.
NASB: Then Moses said, "What if they will not believe me or listen to what I say? For they may say, 'The LORD has not appeared to you.'"
KJV: And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign.
NASB: "If they will not believe you or heed the witness of the first sign, they may believe the witness of the last sign.
KJV: And it shall come to pass, if they will not believe also these two signs, neither hearken unto thy voice, that thou shalt take of the water of the river, and pour it upon the dry land: and the water which thou takest out of the river shall become blood upon the dry land.
NASB: "But if they will not believe even these two signs or heed what you say, then you shall take some water from the Nile and pour it on the dry ground; and the water which you take from the Nile will become blood on the dry ground."
KJV: And Pharaoh said, Who is the LORD, that I should obey his voice to let Israel go? I know not the LORD, neither will I let Israel go.
NASB: But Pharaoh said, "Who is the LORD that I should obey His voice to let Israel go? I do not know the LORD, and besides, I will not let Israel go."
KJV: And Moses stretched forth his rod toward heaven: and the LORD sent thunder and hail, and the fire ran along upon the ground; and the LORD rained hail upon the land of Egypt.
NASB: Moses stretched out his staff toward the sky, and the LORD sent thunder and hail, and fire ran down to the earth. And the LORD rained hail on the land of Egypt.
KJV: And Moses said unto him, As soon as I am gone out of the city, I will spread abroad my hands unto the LORD; and the thunder shall cease, neither shall there be any more hail; that thou mayest know how that the earth is the LORD'S.
NASB: Moses said to him, "As soon as I go out of the city, I will spread out my hands to the LORD; the thunder will cease and there will be hail no longer, that you may know that the earth is the LORD'S.