# algebra

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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 -

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 -

160.7

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