SOLUTION: A classroom has a bank of eight light switches. In how many ways could they be turned on or off? Justify your answer.

Algebra ->  Probability-and-statistics -> SOLUTION: A classroom has a bank of eight light switches. In how many ways could they be turned on or off? Justify your answer.      Log On


   

Question 1167190: A classroom has a bank of eight light switches. In how many ways could they be turned on or off? Justify your answer.
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


2 choices for each of the 8 switches.

Use the Fundamental Counting Principle.