How will you make 10 using nine 1.?

You can make 10 using nine 1s by arranging them in the following mathematical expression: (111 - 11 = 100). Another way is to use addition and parentheses: ( (1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1) = 9 + 1 = 10).