Question 470705
light travels at 3.0 x 10 to the 8th power meters/second. A light year is the distance light travels in one year. given that there are 3.15 x 10 to the 7th power seconds in one year,how many meters are in a light year.
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3E8 m/sec * 3.15E7 sec/yr = 9.45E15 m/yr
or {{{9.45*10^15}}} m/yr
--> 9.45*10^15 meters