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Setler [38]
3 years ago
9

What is a formula for the nth term of the given sequence? 50, -20,8...​

Mathematics
1 answer:
Tatiana [17]3 years ago
5 0

Answer:

L = 50 * (-0.4)^(n - 1)

Step-by-step explanation:

r = t2/t1 = -20/50 = - 0.4

a = 50

L = 50 * (r)^(n - 1)      Let's  see if we can get the answer when n = 3

L=50 * (-0.4)^(3 -1)

L =50* (-0.4)^2

L = 50 * 0.16

L = 8 which is correct

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