Chain Letters. A woman sent two friends a letter with the following request: Please send
Chapter 1, Problem 1.7.116(choose chapter or problem)
Chain Letters. A woman sent two friends a letter with the following request: Please send a copy of this letter to two of your friends. Assume that all those receiving letters responded and that everyone in the chain received just one letter. Complete the table and then determine how many letters will be circulated in the 10th level. Level Number of letters circulated1st2nd3rd4th 2 2 22 21
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