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Estimate the cost of electricity used (at $.08/kwh) for 30 days for ten 100-w bulbs for 6 hours per day.
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Estimate the cost of electricity used (at $.08/kwh) for 30 days for ten 100-w bulbs for 6 hours per day.

User Wang Duo
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(30 * (10*100*6) * .08 ) / 1000 = Cost of electricity is $14.40
User Treetey
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