Hamlet 3.3 “Know Thou a More Horrid Hent”

Hamlet ponders whether Claudius's sins warrant sending him to hell and if it would be considered vengeance to kill him when he is prepared for heaven. Ultimately, Hamlet decides against taking action, concluding that it would not be just.

What does Hamlet believe about Claudius's readiness for heaven?

What is the significance of Hamlet's answer to the question of sin and hell?