Solution: According to the meaning of the question, the remaining paper area after 10 is:

2×2× 1/2× 1/2……× 1/2=2×2×( 1/2)^ 10=( 1/2)^8= 1/256

The side length of a square with the same area under the root number is: (1/256) =115.

Please adopt! ! !