please help to solve the problems as the attachment? The problemsisthe algorithms of computer science

please  help to solve the problems as the attachment? The problemsisthe algorithms of computer science

undergraduate level.  For example,  logic, sets sequence countings, intervals, Lexicographic-Order

1. 2. Book Problem #9-c: Should 1974 ×0.985816 (mod 1974) equal 4678352 (mod 1974)?a) Explain why or why not.No. Because there are brackets in the mod part hence evaluation will be from right to...