# How do you write a rule for the nth term of the geometric sequence and then find #a_5# given #a_4=189/1000, r=3/5#?

##### 1 Answer

Feb 23, 2017

#### Explanation:

We know we can write every geometric sequence in the form of below:

and for now what we have to do is to figure out what is our first term (

and we have to solve this equation for

Now we can rewrite our equation for any nth term:

and we can calculate