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Find the 12th term of the geometric sequence 2, -8,32, ...

2 Answers

1 vote

Answer:

Explanation:

hello :

the n-ieme term is : An=A1×r^(n-1)

A1 the first term r : the common ratio

in this exercice : A1 =2 r = 32/-8=-8/2 = - 4 n = 12

A12=2×(-4)^(12-1) = -2×4^11 because : ((-4)^(11)= - 4^11

User This
by
5.5k points
7 votes

Answer:

-8388607

Explanation:

a = 2

r = -8/2 = -4

12th term = (2)×(-4)¹¹

= -8388608

User ChrisPhoenix
by
6.1k points
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