It is estimated that light takes 10,000 years to travel the full distance across our galaxy. if light travels at 3.0 x 10^8m in 1 second then what is the distance across the milky way? give your answer in standard form

Given:
Time taken = 10,000 years
Now,
converting 10,000 years to seconds,
We have,
1 year = 365 days
          = (365 * 24) hours
          = (365 * 24 * 60) minutes
          = (365 * 24 * 60 * 60) seconds
          = 31536000 seconds
So,
Time taken = 10,000 years = (10000 * 31536000 seconds)
                                        = 
Also, according to the question,
speed = 

We know,
speed = distance / time taken
speed * time taken = distance


 
So, the distance across the milky way is  meters.

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