Answer:

Step-by-step explanation:
Given

Required
Determine the n term
The above sequence is geometric. So, we calculate the common ratio first:



The equation is then calculated using:

Where

and

The equation becomes:

Apply law of indices:





Answer:
156 km
Step-by-step explanation:
2cm = 5 km 31.2cm x 5 km =156 km
I’m not sure but I think 8
Answer:
not sure of what you were asking so it's simplified below.
Step-by-step explanation:

Note: best i could do with what was given.