Therefore you shall make images of your tumors, and images of your mice that mar the land; and you shall give glory to the God of Israel: peradventure he will lighten his hand from off you, and from off your gods, and from off your land.
Actually it should read, "Of the city, or of the people of fifty thousand, seventy were slain, seventy men were slain." In other words, of that population of the area, approximately fifty thousand people, seventy of them were slain.