SOLUTION: At the end of a year, a tree has split into two branches. At the end of each succeeding year, each branch has split into two more branches. How many branches are there at the end o
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Question 372184: At the end of a year, a tree has split into two branches. At the end of each succeeding year, each branch has split into two more branches. How many branches are there at the end of nine years?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
is the number of branches that grew during the last year, but you need that plus the previous year plus the year previous to that...and so on back to the beginning.
But since
You need
John
My calculator said it, I believe it, that settles it
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