Tough call.
You may have to use Newton's Method or something like that.
Graph y=2^x and then graph n/x on the same set of axes. You may have to assign some arbitrary value to n to make this work. From the graph you can read off the approximate coordinates of the point of intersection.
Answer:
1=120
2=30
3=150
4=240
5=300
Step-by-step explanation:
i used a calculator