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igor_vitrenko [27]
3 years ago
12

Which of the following choices is the explicit formula for the following geometric sequence?

Mathematics
1 answer:
jonny [76]3 years ago
3 0
Common ratio (r) can be found by dividing the second term by the first term.
0.02 / -0.1 = -0.2

an = a1 * r ^ (n - 1)
a1 = first term = -0.1
r = common ratio = -0.2

an = -0.1(-0.2)^(n - 1)...answer is C


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