'Seventy' in the Bible

All the offspring of Jacob were seventy persons: and Joseph had come to Egypt before them.

And they came to Elim where there were twelve water-springs and seventy palm-trees: and they put up their tents there by the waters.

And he said to Moses, Come up to the Lord, you and Aaron, and Nadab and Abihu and seventy of the chiefs of Israel; and give me worship from a distance.

Then Moses and Aaron, Nadab, and Abihu, and seventy of the chiefs of Israel went up:

And the silver given by those who were numbered of the people was a hundred talents, and a thousand, seven hundred and seventy-five shekels in weight, by the scale of the holy place.

And a thousand, seven hundred and seventy-five shekels of silver was used to make the hooks for the pillars, and for plating the tops of the pillars and for making their bands.

The brass which was given was seventy talents, two thousand four hundred shekels;