What is the (1100110)_2 - (1011100)_2. [use 8-bit 2's complement, and show the solution slope)? Convert the decimal expansion of the number (255)_ns to binary expansion Convert the hexadecimal expansion of the number (1A9)_10 to decimal expansion: Let X = (h, x), Y = (3, 5) and Z = (a, b), Find: X times Y times Z |X times Y times Z| Determine whether the function f from (h, k, r, s, ) to itself is an bijection or not and explain why or why not: f(h) = z, f(k) = s. f(r) = h, f(s) = k, f(z) = r