Find the General Term $a_n$ , of the Given Geometric Sequence
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Multiple Choice

Find the general term, $a_n$ , of the given geometric sequence
- $1,8,64, \ldots$

A) $a_{n}=8^{1-n}$
B) $a_{n}=8^{n-1}$
C) $a_{n}=8(n-1)$
D) $a_{n}=8^{n}$