Answer B
Or in other words helicopter descends 2000ft every 5 minutes.
Answer:
Step-by-step explanation:
Alright, lets get started.
The given equation is :

Subtracting 1 in both sides


Dividing 2 in both sides


Taking log on both sides


Plugging the value of log e as 1

..................... Answer
Hope it will help :)
The next number is 30,000. Each time you would multiply three.
Hoped this helped.
~Bob Ross®