[" 48.There are "10" lamps in a hall.Each one of them can be switched on independently.Find the "],[" number of ways in which the hall can be illuminated."]

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

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.

There are 10 lamps in a hall . Each one of them can be swithed on independently the number of ways in which the hall can be illuminated is

There are 8 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

There are 10 lamps in a hall, Each one of them can be switched on independently. Find the number of ways in which the hall can be illuminted, Thinking Process : Total numbers of ways to lightned room is out of given n bulbs at least one or all bulls are lightened. we get total number of ways using following fromula.

There are 10 lamps in a hall . Each one of them can be switched on independently . The number of ways in which the be illuminated is