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  • 25-04-2017
  • Mathematics
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What is the 16th term of the following geometric sequence? 5, -10, 20, -40, 80, ...

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Аноним Аноним
  • 25-04-2017

The pattern in this sequence is *-2

so

80 is the 5th number

-160, 320, -640, 1280, -2560, 5120, -10240, 2048, -40960, 81920, -163840

The 16th number of this sequence is -163,840

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