How can we calculate light year in kilometers?

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Solution

Calculate the distance in kilometers. If you wanted to calculate in kilometers, simply replace the speed of light with the speed in kilometers per second: 3.00 x 10⁵. The time in seconds remains the same because there is no conversion required.

d = c x t

d = (3.00 x 10⁵) x (3.154 x 10⁷seconds)

d = 9.46 x 10¹² or 9.5 trillion kilometers.

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