No, doofus. Historians date the initial exile to early 597 BCE and the destruction of Jerusalem to 587 BCE (with some Christian sources preferring 586). None of the passages mentions 70 years of exile
Incorrect: Historians differ as to how these events are to be interpreted for some would begin the Exile with the Fall and others date the Exile 10 years earlier. What seems to be the case that historians agree that there was only one Exile proper commencing with the Fall. The word 'exile' is not mentioned in the 70 texts but the meaning or stat is well described in all of those texts
.Jer. 25:11-12 refers to nations serving Babylon, not exile (and Jeremiah 27:8-11 specifies that serving Babylon is the way to avoid exile).
Incorrect: Jer. 25:11 Describes a desolated land consistent with being conquered or vanquished by an invader with the deportations of its citizenry. Thus, the description is consistent with and Exile.
er. 29:10-14 specifies that returning to Jerusalem necessarily follows the end of the 70 years
Correct and this is what happened to the Jews exiled in Babylon who returned to their homeland in 537 BCE ending the exile as mentioned in vs.14
---2 Chron 36:20-23 stipulates that nations served Babylon until the kingdom of Persia began, not until Jews returned from exile, with the return following the end of serving Babylon (and also noting that the interpolation from Leviticus 26:34-35 is not 'the word of Jeremiah')
The Chronicler is quite specific that the end of the 70 years and the Exile was connected to the 1st Year of Cyrus which also fulfilled the prophecy about the land having to pay off its sabbaths as foretold in Leviticus 26.
-----Dan 9:1-19 (written in the 2nd century BCE) reflects recognition of the order events of Jeremiah 29:10-14, being that 70 years would end and then attention would be given to the Jews' return
Incorrect: Daniel was written in the 6th century and not the 2nd century as you allege. The ninth chapter consists of prayer by Daniel lamenting their exiled state and the exiles would shortly be released to return to their homeland.