Answer
$0.00001$
Work Step by Step
The general formula to find the nth term of a Geometric sequence is given as: $ a_{n}=a_1r^{n-1}$
Here, $ a_1=100$ and $ r=\dfrac{1}{10}$
Plug $ n=8$
$ a_{8}=100 \times (\dfrac{1}{10})^{8-1}=100 \times (\dfrac{1}{10})^{7}=0.00001$
