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Essentials Math pg. 520/#26 Using logarithms, find the number of miles in 1 light-year (use 1...

Essentials Math pg. 520/#26

Using logarithms, find the number of miles in 1 light-year (use 1 m = 39.37 in.) if light travels 300,000,000 m per sec.

Please show your step by step solution.

Thank you.

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Answer #1

1 light year = 9.461*10^15 m

1 m = 0.000621371 miles

9.461*10^15 *0.000621371

= 5.87*10^12 miles

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