3 years ago

D(n) = -5 (1/2)n-1 What is the 3rd term in the sequence?

Mathematics

2 answers:

Ierofanga [76]3 years ago

8 0

Answer:

-5/4

Step-by-step explanation:

1. This is an explicit formula

All we have to do is plug n = 3 in the formula to find the 3rd term.

2. d(3)=-5(1/2)3-1

= -5/4

jonny [76]3 years ago

3 0

Answer:

-5

Step-by-step explanation:

dₙ = -5 (1/2)n-1

the 3rd term in the sequence means n = 3

d₃ = -5(1/2)(3-1) = -5(1/2)(2) = -5

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