Sequences and Series Question
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Grade 10 Sequences and Series CCSS: HSF-BF.A.2
For the geometric sequence defined by a1=80; an=12an-1,n>1, what is the explicit form of this sequence?
- an=80(12)n
- an=80(12)n-1
- an=80⋅2n-1
- a1=1⋅(12)n