'Thirty' in the Bible

Now the time that the children of Israel lived in Egypt was four hundred thirty years.

It happened at the end of four hundred thirty years, even the same day it happened, that all the armies of Yahweh went out from the land of Egypt.

If the bull gores a male servant or a female servant, thirty shekels of silver shall be given to their master, and the ox shall be stoned.

The length of each curtain shall be thirty cubits, and the breadth of each curtain four cubits: the eleven curtains shall have one measure.

The length of each curtain was thirty cubits, and four cubits the breadth of each curtain. The eleven curtains had one measure.

All the gold that was used for the work in all the work of the sanctuary, even the gold of the offering, was twenty-nine talents, and seven hundred thirty shekels, after the shekel of the sanctuary.