It's a geometric progression and the next number in the pattern is -12
First number = 2916
Second number = -972
Third number = 324
Fourth number = -108
Fifth number = 36
The above numbers have a common ratio which is:
= 2916/-972
= -3
Since we know the common ratio, we can then calculate the next number. This will be:
= 36/-3
= -12
Therefore, the next number is -12.
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