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clarkexo Group Title

solve: a^2 · a^3 · a^-4

  • one year ago
  • one year ago

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  1. clarkexo Group Title
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    do you know the answer?

    • one year ago
  2. tamtoan Group Title
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    use these formula ..a^-n = 1/a^n , a^n . a^m = a^(n+m) and a^n/a^m = a^(n-m) and you can get the answer quick

    • one year ago
  3. clarkexo Group Title
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    it's not a^9 though..

    • one year ago
  4. tamtoan Group Title
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    ofcourse it's not, one of the power is negative...check that again :)

    • one year ago
  5. clarkexo Group Title
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    see that's what confuses me, but I thought when you flip the exponent to make it positive, you add it as a positive exponent?

    • one year ago
  6. clarkexo Group Title
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    would it be a^1?

    • one year ago
  7. tamtoan Group Title
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    correct

    • one year ago
  8. clarkexo Group Title
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    okay, So you're not supposed to flip it then? :S

    • one year ago
  9. tamtoan Group Title
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    it's two positive powers 2 and 3..you add..one negative power 4 ..you subtract

    • one year ago
  10. clarkexo Group Title
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    ty

    • one year ago
  11. tamtoan Group Title
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    yw :)

    • one year ago
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spraguer (Moderator)
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