



 
Hi Jana. Each time you do the process, you double the size of the stack. The original stack is 0.003 inches. So after 25 cuts, the stack is 2^{25} x 0.003 inches. Work that out and convert to feet. For part b, do the same thing, but it is 2^{50} x 0.003 inches. Convert to miles afterward. Hope this helps,  


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