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What is the cost of operating a 40 W light bulb for a year, if the cost of electricity is $0.10 per kWh
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28 votes
28 votes
What is the cost of operating a 40 W light bulb for a year, if the cost of electricity is $0.10 per kWh

User MayuriXx
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20 votes
20 votes

Answer:

$480 a year

Step-by-step explanation:

User Peterphonic
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