A certain house hold system has consumed 250 unit of energy during a month. How much is this energy in joule
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1unit=1KWH
1KWH=3.6×1000000J
250KWH=3.6×1000000×250J
=900×1000000J
=900000000J
1KWH=3.6×1000000J
250KWH=3.6×1000000×250J
=900×1000000J
=900000000J
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