Answer:
a_n=125×20^(n-1)
Step-by-step explanation:
a_n=x×y^(n-1)
a_3=50000=x×y^2
a_5=20000000=x×y^4
y^2=20000000/50000=400
y=20;x=125
Answer:
In the corner, so the dog has all the room of the triangular yard to roam and play.
It means your solving for x
