A certain household has consumed 245 units of energy during a month. How much energy is this in joules?
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Answer:
1 unit of energy is equal to a 1-kilowatt hour (kWh).
Energy (E) = 250 units
1 unit = 1 kWh
1 kWh = 3.6 x 106 J
Therefore,
Energy = 250 x 3.6 x 106 J
E = 900 x 106 J
E = 9 x 108 J
Thus, the household consumes 9 x 108 J or 900 MJ of energy in a month.
Explanation:
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