Question

Given the sequence 8, 16, 32, 64, ..., which expression would give the thirteenth term?
8^13
8 · 2^13
8 · 2^12

Answer 1

a=8 ,r=2
T13=ar^(13-1)=8*2^12

Answer 2

Where a=first term ,r=common ratio
Tn rule :
Tn=ar^(n-1)
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Note :This is a geo.sequence .

Answer 3

ok thank you

Answer 4

{Yw} .