160,80,40,20... What Is The 8th Term?

160,80,40,20... What is the 8th term?

Answer:

a8=5/4

Step-by-step explanation:

Geometric Sequence

an=a1*(r)^n-1

a8=160*(1/2)^8-1

a8=(160)(1/128)

a8=5/4


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