you watch baseball's World Series games over a period of 7 days for 3 hours each day. You watch the game on a black and white tv set rated at 90.0 W. Calculate how much it cost you to watch the event assuming the electrical energy costs $0.07 /kWh
i kWh=1,000 watts-hour
? =1890 watts-hour
1.89 x 0.07 = .1323
how did you get $132.30? you multiplied by 1000?
you right...i did so fast
so watching the tv for 7 days for 3 hours will cost
$132.30?? why exactly do you multiply by 1,000?
said you right...its 0.132
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