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DOstermann1

  • 4 years ago

Choose the correct simplification of the expression (3x)4. 81x4 12x5 81x5 12x4

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  1. Jlastino
    • 4 years ago
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    Its equal to 3^4 x^4 or 3^2 3^2 x^4 you know what 3^2 is right?

  2. colorful
    • 4 years ago
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    \[(xy)^a=x^ay^a\] what Jlastino said^

  3. DOstermann1
    • 4 years ago
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    yea 3^4 is 81. 3^2 is 9.

  4. colorful
    • 4 years ago
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    where did you get 3^2 from ?

  5. DOstermann1
    • 4 years ago
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    from what jlastino said?

  6. DOstermann1
    • 4 years ago
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    wait so all i do is raise 3 to the forth power and x also the the forth power?

  7. colorful
    • 4 years ago
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    exactly :)

  8. DOstermann1
    • 4 years ago
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    okay that helps, i had thought so but was unsure.

  9. DOstermann1
    • 4 years ago
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    so with (xyz^2)^4 i would do the same?

  10. colorful
    • 4 years ago
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    yes, you just need to remember that \[\large(x^a)^b=x^{ab}\] for that z-term

  11. DOstermann1
    • 4 years ago
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    so i would come out with. x^4y^4z^16?

  12. DOstermann1
    • 4 years ago
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    no wait 8 for z

  13. colorful
    • 4 years ago
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    right :) good job :)

  14. DOstermann1
    • 4 years ago
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    Awesome thanks :D

  15. colorful
    • 4 years ago
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    very welcome :)

  16. DOstermann1
    • 4 years ago
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    Part 1: Explain, using complete sentences, how to simplify the expression below. Part 2: What is the simplified expression? (3x3y4)2 I got the simplified expression of 9x^9y^16?

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