Answer: m=-1.
Step-by-step explanation:

I'm not sure but I think its c
Principal = 1600
annual interest = 6% / year
period = 7 years
Future value after 7 years
= 1600(1+0.06)^7
=1600(1.06^7)
=$2045.81
=$2046 (to the nearest dollar)
The answer is n=5. I worked it out