SOLUTION: A principal wanted to inform everyone that school was cancelled . He call 2 teachers each of whom in turn call 2 other member and so on. This process is repeated 6 times. How many

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Question 1135945: A principal wanted to inform everyone that school was cancelled . He call 2 teachers each of whom in turn call 2 other member and so on. This process is repeated 6 times. How many teachers including the principal work at this school
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
2^0=1 is the principal, the first
2^6 is the sixth or 64
The total number is 1+2+4+8+16+32+64=127