SOLUTION: there are 10 lamps in a hall .each one of them can be switched on independently .the number of ways in which the hall can be illuminated is
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Question 852442
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there are 10 lamps in a hall .each one of them can be switched on independently .the number of ways in which the hall can be illuminated is
Answer by
ewatrrr(24785)
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Hi,
2^10, number of ways in which the hall can be illuminated
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