1. True or false: The elements of a set are unordered, so the set {3, 2, 1} and the set {1, 2, 3} represent the same set. 2. True or false: A set can contain multiple copies of the same element.  3....

1. True or false: The elements of a set are unordered, so the set {3, 2, 1} and the set {1, 2, 3} represent the same set.

2. True or false: A set can contain multiple copies of the same element.

 3. What sets are denoted by each of the following symbols: ∅, Z, N, and R?

4. What do the symbols ∈ and ∉ mean?