May 31, 2016

Homework Help: Physical Science

Posted by Darlene on Thursday, March 20, 2014 at 2:40pm.

A 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days?

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