Final answer:
Reverend Hale does not state a specific number of death warrants he has signed in Act 3 of The Crucible, but it is apparent his actions weigh heavily on him as he becomes critical of the trials.
Step-by-step explanation:
The character Reverend John Hale does not specify an exact number of death warrants he has signed in Act 3 of Arthur Miller's play The Crucible. However, he expresses deep remorse and conflict about his role in the Salem witch trials, and it is clear that he has signed several, which contributes to his crisis of conscience. As the plot of The Crucible unfolds, Hale transforms from a firm believer in the witch trials to a skeptic and opponent, troubled by the realization of the unjust suffering those warrants have caused.