3 years ago

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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