Answer:
i thinks the answer is the fourth, which an= 3-2(n-1)
I believe the answer would be non-proportional
By using exponent, it can be verified that
in standard form is 
What are exponent?
Exponent tells us how many times a number is multiplied by itself.
For example : In 
Here, 2 is multiplied by itself 4 times.
If
(m times), a is the base and m is the index.
The laws of index are

The given exponent is

To learn more about exponent, refer to the link:
brainly.com/question/11975096
#SPJ1
Answer:
13.04
Step-by-step explanation:
since 100 is 1/4 of 400, you divide 52.16 by 4