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21 February, 08:11

What is the value of the 11th term of the sequence 1, - 2, 4, - 8, ... ?

4,096

1,024

-2,048

-1,024

+1
Answers (1)
  1. 21 February, 11:50
    0
    The pattern is that the next term is equal to the previous term multiplied by - 2.

    1

    -2

    4

    -8

    16

    -32

    64

    -128

    256

    -512

    1024

    The answer is 1024
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