Question 418954
a. As you fold the paper in half each time, what happens to the number of layers?
It gets multiplied by 2.
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b. Estimate the number of folds you would have to make before you have about the same number of layers as the number of sheets in this textbook (=361).
2^0 = 1 page
2^1 = 2 pages
...
2^x = 361
xlog(2) = log(361)
x is between 8 and 9
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8 folds gives less than 361 pages
9 folds gives more than 361 pages
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Cheers,
Stan H.
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c. Calculate the answer for 12b. You may use a recursive routing, the graph or a table of an equation, or a trial-and-error method." 
I would like to use a recursive routine.