Find the 5th and nth term of sequence -2,-6,-18,"…."`

Explanation

To find the 5th and nth term of the sequence -2, -6, -18, ..., we can follow these steps:

### Step 1: Identify the first term (a) and the common ratio (r)
The first term of the sequence is:
\[ a = -2 \]

Next, we need to find the common ratio (r). We can find it by dividing the second term by the first term, and the third term by the second term:
\[ r = \frac{-6}{-2} = 3 \]
...