Asked by Emma

Next number in the sequence?

0, 1, -1, 3, -5, 11, -21 ...

Answers

Answered by Reiny
Did you observe how the numbers change ?

+1 , -2 , +4 , -8 , +16 , ......

Can you see the pattern?
Can you state the next number in your sequence ?

let me know what you get.
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