Find the General Term $a_n$ Of the Given Sequence
- $4,-1, \frac{1}{4},-\frac{1}{16}, \frac{1}{64}$

Multiple Choice

Find the general term $a_n$ of the given sequence
- $4,-1, \frac{1}{4},-\frac{1}{16}, \frac{1}{64}$ .

A) $a_{n}=4\left(\frac{1}{4}\right) ^{n-1}$

B) $a_{n}=\frac{1}{4}(-4) n-1$

C) $a_{n}=4\left(-\frac{1}{4}\right) ^{n-1}$

D) $a_{n}=6\left(-\frac{1}{6}\right) ^{n-1}$