What is the value of the variable named s2 after the following statements have been executed?string s1 = "118-45-9271";string s2 = "";for (int i = 0; i < s1.Length; i++)if (s1[i] != '-')s2 += s1[i];s2 = s2.Replace('-', '.');

2.)how does a graphical user interface (gui) on a touchscreen interface differ from a gui on a desktop or laptop? a.)a finger or stylus is used instead of a pointer. b.) a magic wand is used instead of a pointer. c.)users speak commands instead of using a pointer. d.)users visualize commands instead of using a pointer.

How to do this programming flowchart?

What is the error in the following pseudocode? module main() call raisetopower(2, 1.5) end module module raisetopower(real value, integer power) declare real result set result = value^power display result end module