3 years ago

What is the next number i the pattern 2,916,-972,324,-108,,36

1 answer:

6 0

2916, -972, 324, -108, 36, ...
an = -4(-1)^n 3^(7 - n) 
a6 = -4(-1)^6 3^(7 - 6) = -12 
The next number in the pattern is -12.

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