ESV: The next day Moses said to the people, “You have sinned a great sin. And now I will go up to the LORD; perhaps I can make atonement for your sin.”
NIV: The next day Moses said to the people, 'You have committed a great sin. But now I will go up to the LORD; perhaps I can make atonement for your sin.'
NASB: And on the next day Moses said to the people, 'You yourselves have committed a great sin; and now I am going up to the Lord; perhaps I can make atonement for your sin.'
CSB: The following day Moses said to the people, "You have committed a grave sin. Now I will go up to the Lord; perhaps I will be able to atone for your sin."
NLT: The next day Moses said to the people, 'You have committed a terrible sin, but I will go back up to the Lord on the mountain. Perhaps I will be able to obtain forgiveness for your sin.'
KJV: And it came to pass on the morrow, that Moses said unto the people, Ye have sinned a great sin: and now I will go up unto the LORD; peradventure I shall make an atonement for your sin.
NKJV: Now it came to pass on the next day that Moses said to the people, “You have committed a great sin. So now I will go up to the Lord; perhaps I can make atonement for your sin.”
