KJV: And I have given the Levites as a gift to Aaron and to his sons from among the children of Israel, to do the service of the children of Israel in the tabernacle of the congregation, and to make an atonement for the children of Israel: that there be no plague among the children of Israel, when the children of Israel come nigh unto the sanctuary.
NASB: "I have given the Levites as a gift to Aaron and to his sons from among the sons of Israel, to perform the service of the sons of Israel at the tent of meeting and to make atonement on behalf of the sons of Israel, so that there will be no plague among the sons of Israel by their coming near to the sanctuary."
KJV: And Moses, and Aaron, and all the congregation of the children of Israel, did to the Levites according unto all that the LORD commanded Moses concerning the Levites, so did the children of Israel unto them.
NASB: Thus did Moses and Aaron and all the congregation of the sons of Israel to the Levites; according to all that the LORD had commanded Moses concerning the Levites, so the sons of Israel did to them.
KJV: And after that went the Levites in to do their service in the tabernacle of the congregation before Aaron, and before his sons: as the LORD had commanded Moses concerning the Levites, so did they unto them.
NASB: Then after that the Levites went in to perform their service in the tent of meeting before Aaron and before his sons; just as the LORD had commanded Moses concerning the Levites, so they did to them.
KJV: This is it that belongeth unto the Levites: from twenty and five years old and upward they shall go in to wait upon the service of the tabernacle of the congregation:
NASB: "This is what applies to the Levites: from twenty-five years old and upward they shall enter to perform service in the work of the tent of meeting.
KJV: And they kept the passover on the fourteenth day of the first month at even in the wilderness of Sinai: according to all that the LORD commanded Moses, so did the children of Israel.
NASB: They observed the Passover in the first month, on the fourteenth day of the month, at twilight, in the wilderness of Sinai; according to all that the LORD had commanded Moses, so the sons of Israel did.
KJV: And those men said unto him, We are defiled by the dead body of a man: wherefore are we kept back, that we may not offer an offering of the LORD in his appointed season among the children of Israel?
NASB: Those men said to him, "Though we are unclean because of the dead person, why are we restrained from presenting the offering of the LORD at its appointed time among the sons of Israel?"