Chapter 2.2A, Problem 14A

Indicate which symbol, $\in$ or $\notin$, makes each of the following statements true.

a. 0_______ $\varnothing$

b. 1024______ $\left\{x|x=2^n\text{ and }n\in N\right\}$

c. 3002______ $\left\{x|x=3n-1\text{ and }n\in N\right\}$

d. x________ $\left\{x|x=2^n\text{ and }n\in N\right\}$