SubArea: Geometric sequencesLevel: AProject ID: 2010004906Source Problem: 2010004907Accepted: 0Clonable: 1Easy: 1The picture shows a part of the graph of the geometric sequence. What is the explicit formula for the nth term of the following geometric sequence?an=2⋅5n−1an=2⋅5nan=5n−1an=2⋅5n+1