Find $a_{4}$ For the Sequence Described $a_{5}=100$ And $a_{7}=1$ A) 10 or -10
B) 1000 or -1000
C) 100

Multiple Choice

Find $a_{4}$ for the sequence described.
-Geometric, with $a_{5}=100$ and $a_{7}=1$

A) 10 or -10
B) 1000 or -1000
C) 100 or -100
D) $\frac{1}{1000}$ or $-\frac{1}{1000}$