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ikshjbdckoj

8. Is the following statement always, never, or sometimes true? A number raised to a negative exponent is negative. always never sometimes

  • one year ago
  • one year ago

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  1. Directrix
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    What does (-2)^(-2) equal?

    • one year ago
  2. ikshjbdckoj
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    -4?

    • one year ago
  3. ikshjbdckoj
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    that would still be -4 right?

    • one year ago
  4. Directrix
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    |dw:1360016190972:dw| (-2)^(-2) =

    • one year ago
  5. Directrix
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    that would still be -4 right? --> No.

    • one year ago
  6. ikshjbdckoj
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    why not?

    • one year ago
  7. Directrix
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    What about (-2)^(-3)? Is it positive or negative?

    • one year ago
  8. ikshjbdckoj
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    positive

    • one year ago
  9. Directrix
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    >why not? Look at my work above

    • one year ago
  10. ikshjbdckoj
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    I don't understand all of the signs :(

    • one year ago
  11. Directrix
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    |dw:1360016415936:dw|(-2)^(-3)

    • one year ago
  12. ikshjbdckoj
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    so a negative and a negative equals a positive?

    • one year ago
  13. Directrix
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    It is not that simple. (-2)^(-3) does NOT mean (-2) times (-3). It means 1 divided by (2^3).

    • one year ago
  14. ikshjbdckoj
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    oh so is the answer never? cuz if you make it into a fraction ita always gonna be positive on the bottom.

    • one year ago
  15. Directrix
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    • one year ago
  16. Directrix
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    Number raised to negative exponent: (-2)^(-2) = 1/4 Another number raised to negative exponent: (-2)^(-3) = - 1/8 A number raised to a negative exponent can be positive or can be negative.

    • one year ago
  17. ikshjbdckoj
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    Oh I didn't know that :/ I'm sorry I took so long :/

    • one year ago
  18. Directrix
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    Fast is fine but accuracy is everything. (Wyatt Earp) Mathematics takes time and patience. Don't apologize. I'm glad to help.

    • one year ago
  19. 237051
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    so whats the answer

    • 2 months ago
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