Tuesday
March 3, 2015

Homework Help: physical science

Posted by beebop on Friday, October 22, 2010 at 1:21pm.

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

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