30 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.”

Read Exodus 32:30 Using Other Translations

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.
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."
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.”