Unit V D Question Liberal Arts Math

A  computer interface for a Kawai digital studio piano has eight  microswitches that can be set in either the “on” or “off” position.  These switches must be set properly for the interface to work. In how  many different ways can this group of switches be set?If  it takes two minutes to set the switches and test to see if the  interface is working properly, what is the longest possible time that it  would take to find the proper settings by trial and error?What are some other real-world examples that you can develop that are similar to the ones above?

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