Find the fourth term of a geometric sequence with a first term of 130 and a common ratio of -0.1
A) -0.13
B) -13
C) 0.013
D) -0.013

Name: Find the fourth term of a geometric sequence with a first term of 130 and a common ratio of -0.1 A) -0.13 B) -13 C) 0.013 D) -0.013
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Question

Quizplus · Accepted Answer

The fourth term of a geometric sequence is found using the formula: $ a_n = a_1 \times r^{(n-1)} $. Here, $ a_1 = 130 $, $ r = -0.1 $, and $ n = 4 $. So, $ a_4 = 130 \times (-0.1)^3 = 130 \times -0.001 = -0.13 $.

Find the Fourth Term of a Geometric Sequence with a First