A ly (light year) is the distance that light travels in one year. The speed of light is 3.00 × 108 m/s. How many miles are there in a ly?

(1 mi = 1609 m and 1 yr = 365.25 days)

Here is what i do

300,000,000 m/s X $\displaystyle \frac{.1609mi}{1m}$ X $\displaystyle \frac{1yr}{31,557,600s}$=1.53 ly?

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