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May 22, 2015

Homework Help: 7th grade math

Posted by Melea on Saturday, August 21, 2010 at 9:46am.

Telephone calls travel through optical fibers at the speed of light, which is 186,000 miles per second. A millisecond is 0.001 of a second. How far can your voice travel over an optical line in 1 millisecond?

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