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Posted by on Friday, March 12, 2010 at 3:10pm.

A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 × 105 miles/second. (Round to one decimal place, and assume that there are 365 days in a year.)

  • algebra - , Friday, March 12, 2010 at 3:51pm

    Multiply that 1.86*10^5 miles/sec number by the number of seconds in a year.

    The number of seconds (in a year) is
    24 x 60 x 60

  • algebra - , Wednesday, August 25, 2010 at 1:37pm


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