Read Exodus 3:20 Using Other Translations
And I will stretch out my hand, and smite Egypt with all my wonders which I will do in the midst thereof: and after that he will let you go.
So I will stretch out my hand and strike Egypt with all the wonders that I will do in it; after that he will let you go.
So I will raise my hand and strike the Egyptians, performing all kinds of miracles among them. Then at last he will let you go.