1. Thickness of a metal foil \(= 1.88\)
Thickness of a metal foil after 18 folds \(=\)
2. Find the thickness of a metal foil after it is folded 18 times. The initial thickness is represented by a letter \(\text{s}\).
Thickness of a metal foil after 18 folds \(=\)
[NOTE: Give answer in \(2\) decimal places]