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Answer:
the second option is correct
Explanation:
A(n)=-2.5ⁿ-¹
for first term
let n=1
A(1)=-2.5¹-¹
=-2.5^(0)
=-2(1)=-2
for fourth term
let n=4
A(4)=-2.5⁴-¹
=-2.5³
=-2.125
=-250
for eighth term
let n=8
A(8)=-2.5^(8-1)
=-2.5^7
=-2.78125
=-156,250
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