Question

It is a widely held belief that a typical piece of printer paper with a thickness of 0.1 mm can go through at most 7 folds. When folding a piece of paper in half, the number of layers doubles with each fold, which also doubles the thickness. Sylvia is testing this theory and employing a hydraulic press in order to ensure each fold is as tight as possible. If Sylvia is successful in folding the paper completely, determine the thickness of her piece of printer paper after being folded in half 7 times

A) 14.0 mm
B)12.8 mm
C)17.1 mm
D) 10.5 mm

Answer 1

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Number of layers is 2^7 = 128 layers

thickness is 128*0.1 = 12.8mm

Final answer is B) 12.8mm
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Answer 2

No. of layers= 2^7 = 128 layers
thickness = 128*0.1 = 12.8mm
hope it helps.