English Standard Version
"When Pharaoh says to you, 'Prove yourselves by working a miracle,' then you shall say to Aaron, 'Take your staff and cast it down before Pharaoh, that it may become a serpent.'"New International Version
"When Pharaoh says to you, 'Perform a miracle,' then say to Aaron, 'Take your staff and throw it down before Pharaoh,' and it will become a snake."Catholic Public Domain Version
"When Pharaoh will say to you, ‘Show signs,’ you shall say to Aaron, ‘Take your staff, and cast it down before Pharaoh, and it will be turned into a snake.’ 