'Please' in the Bible

Please inquire of Yahweh for us; for Nebuchadnezzar king of Babylon makes war against us: perhaps Yahweh will deal with us according to all his wondrous works, that he may go up from us.

So Hanamel my uncle's son came to me in the court of the guard according to the word of Yahweh, and said to me, Please buy my field that is in Anathoth, which is in the land of Benjamin; for the right of inheritance is yours, and the redemption is yours; buy it for yourself. Then I knew that this was the word of Yahweh.

Now please hear, my lord the king: please let my supplication be presented before you, that you not cause me to return to the house of Jonathan the scribe, lest I die there.

Then the princes said to the king, "Please let this man be put to death; because he weakens the hands of the men of war who remain in this city, and the hands of all the people, in speaking such words to them: for this man doesn't seek the welfare of this people, but the hurt."

Then Johanan the son of Kareah spoke to Gedaliah in Mizpah secretly, saying, Please let me go, and I will kill Ishmael the son of Nethaniah, and no man shall know it: why should he take your life, that all the Jews who are gathered to you should be scattered, and the remnant of Judah perish?

and said to Jeremiah the prophet, Please let our supplication be presented before you, and pray for us to Yahweh your God, even for all this remnant; for we are left but a few of many, as your eyes do see us: