nefox5658 nefox5658

27-02-2024
Physics

contestada

What is the total cost to use CFLs to light your bedroom lamp over those 5 years if the electric company charges you 0.30 per kilowatt-hour and you replace the bulb every 12,700 hrs?
a) 21.60
b) 28.80
c) 36.00
d) 43.20

Respuesta :

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