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alekssr [168]
3 years ago
12

Find the 11th term of the geometric sequence 6, -18,54, ...

Mathematics
2 answers:
katrin [286]3 years ago
7 0
A1 = 6, r = -3
an = a1 * r^n-1 (formula)
a11 = 6 * (-3)^11-1
a11 = 6 * 590949 = 354294
a11 = 354294
soldier1979 [14.2K]3 years ago
4 0

Answer:

354294

Step-by-step explanation:

a1 = 6, r = -3

an = a1 * r^n-1 (formula)

a11 = 6 * (-3)^11-1

a11 = 6 * 590949 = 354294

a11 = 354294

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