Chapter 2.10, Problem 10.1E

i.

To determine

The elements in the set $\left\{x\in \mathbb{N}:x\le 10 and 3|x\right\}$

ii.

To determine

The elements in the set $\left\{x\in \mathbb{Z}:x is prime and 2|x\right\}$

iii.

To determine

The elements in the set $\left\{x\in \mathbb{Z}:x^2=4\right\}$

iv.

To determine

The elements in the set $\left\{x\in \mathbb{Z}:x^2=5\right\}$

v.

To determine

The elements in the set $2^{Ø}$

v.

To determine

The elements in the set $\left\{x\in \mathbb{Z}:10\left|x and x\right|100\right\}$

vi.

To determine

The elements in the set $\left\{x:x\subseteq \left\{1,2,3,4,5\right\} and \left|x\right|\le 1\right\}$