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

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

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User Randy Greencorn
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7.6k points

1 Answer

2 votes
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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User Hacknightly
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9.0k points
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