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ikshjbdckoj

  • 3 years ago

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

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  1. Directrix
    • 3 years ago
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    What does (-2)^(-2) equal?

  2. ikshjbdckoj
    • 3 years ago
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    -4?

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

  4. Directrix
    • 3 years ago
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    |dw:1360016190972:dw| (-2)^(-2) =

  5. Directrix
    • 3 years ago
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    that would still be -4 right? --> No.

  6. ikshjbdckoj
    • 3 years ago
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    why not?

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

  8. ikshjbdckoj
    • 3 years ago
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    positive

  9. Directrix
    • 3 years ago
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    >why not? Look at my work above

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

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

  12. ikshjbdckoj
    • 3 years ago
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    so a negative and a negative equals a positive?

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

  14. ikshjbdckoj
    • 3 years ago
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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.

  15. Directrix
    • 3 years ago
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  16. Directrix
    • 3 years ago
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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.

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

  18. Directrix
    • 3 years ago
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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.

  19. 237051
    • 2 years ago
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    so whats the answer

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