Because part d is dependent on parts a, b, and c, we cannot possibly understand where you are having difficulty in part d without understanding what...
For example if I have 2^3 possibilities, why the indexes from 0-(2^3 -1) will label all 2^3 possibilities? I claim that the last label/index must be...
Symbol n tells us how many index numbers we have. (When the index value starts at 1, then the value matches the count. That is, the nth index's value...