munozurita munozurita

31-07-2019
Mathematics

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Find the first, fourth, and eighth terms of the sequence.
A(n) = -2.54-1

Find the first fourth and eighth terms of the sequence An 2541 class=

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mahamahmood95 mahamahmood95

31-07-2019

Answer:

the second option is correct

Step-by-step 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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