math30

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A sequence has a first term of 24 and every other term is one half of the previous term.

Find a recursive formula that defines this sequence.
The answer of this question is:
an=an-1*1/2
Somebody can help me and let me know why is 1/2 on the formula? please please!!!

  • math30 -

    Umm, because it was given:

    "every other term is one half of the previous term"

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