Answer the following statements true (T) or false (F)

1. The following statements are equivalent, given that x = 4 and y = 3:
```
z = Math.pow(y, x);
```
and
```
z = x * x * x;
```
2. While it is possible to nest an if...else structure within an if... structure, it is not possible to nest an if... structure inside if...else structure.
3. The if clause and the else clause of an if...else structure must always contain different test conditions.
4. If an if clause or an else clause contain only one statement, curly brackets are not necessary.
5. A switch structure is a multiple alternative selection structure.

1. F
2. F
3. F
4. T
5. T