3 years ago

What is the 18th term of the arithmetic

Mathematics

1 answer:

Irina18 [472]3 years ago

3 0

Answer:

-66

Step-by-step explanation:

a1 = 2

n = 18

d = - 4

a18 = a1 + (n - 1) * d

a18 = 2 + (18 - 1)*(-4)

a18 = 2 + 17*-4

a18 = 2 - 68

a18 = -66

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Step-by-step explanation:

From the question we are told that

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