'Whether' in the Bible

For ask now of the days that are past, which were before you, since the day that God created man on the earth, and from the one end of the sky to the other, whether there has been [any such thing] as this great thing is, or has been heard like it?

You shall remember all the way which Yahweh your God has led you these forty years in the wilderness, that he might humble you, to prove you, to know what was in your heart, whether you would keep his commandments, or not.

you shall not listen to the words of that prophet, or to that dreamer of dreams: for Yahweh your God proves you, to know whether you love Yahweh your God with all your heart and with all your soul.

This shall be the priests' due from the people, from those who offer a sacrifice, whether it be ox or sheep, that they shall give to the priest the shoulder, and the two cheeks, and the maw.

You shall not oppress a hired servant who is poor and needy, whether he be of your brothers, or of your foreigners who are in your land within your gates: