Answer:
a1 =2/5
an = an-1 *5
Step-by-step explanation:
The first term is found when n=1
a1 = 2/5* 5^(1-1)
a1 = 2/5*5^0
= 2/5*1
=2/5
The recursive rule is based on the previous term
We are multiplying each term by 5.
a2 = a1 *5
a3 = a2*5