How long would it take us to see a star burn out?

The distance to a star is approximately 9.30e^18 m. If this star were to burn out today, in how many years would we see it disappear?How long would it take us to see a star burn out?it takes a whole lifetime/ billion years.... and it doesnt disappear ... it becomes a black holeHow long would it take us to see a star burn out?You divide that number by the speed of light and you get the answer.

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