10.02.b. What would the command: printf(%ld”, mylong); yield?

We know that &mylong is 4072 (given). Going there, we find the bit pattern:

11111111111111111111110100111000 (on 32-bits)

To evaluate, we must first Compliment:

00000000000000000000001011000111 (One’s Compliment)

+ 1

00000000000000000000001011001000 (Two’s Compliment)

Which is: 2⁹ + 2⁷ + 2⁶ + 2³ = 512 + 128 + 64 + 8 = 712