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The Cost of Running a Set of Eight 100 Watt

Question 11

Multiple Choice

The cost of running a set of eight 100 watt light bulbs for 6 hours, with the cost of electricity at 9¢ per kWh, is approximately:

A) 5¢
B) 24¢
C) 43¢
D) 54¢
E) 72¢

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