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angie19 angie19
wrote...
7 years ago
(according to an energy star rating, a refrigerator is rated at 550 kilowatt-hours per year)


#1) the number of joules of energy is represents is a.bcX 10^d J

the values a,b,c, and d are ___,___,___and____

#2) A family replaces their refrigerator with one rated at 385 kilowatt-hours per year. At 10 cents per kilowatt-hour, the money the family should expect to save in one year is $_____ with a new refrigerator.  **( Answer in Dollars and cents) [ to the nearest cent]


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