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Ashy98

  • one year ago

Can someone help me with 2 questions?

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  1. Ashy98
    • one year ago
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    Simplify open parentheses x to the 2 third power close parentheses to the 4 fifths power

  2. Ashy98
    • one year ago
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    A.) \[x^\frac{ 2 }{ 5 }\] B.) \[x^\frac{ 2 }{ 15 }\] C.) \[x^\frac{ 8 }{ 15 }\] D.) \[x^\frac{ 22 }{ 15 }\]

  3. Ashy98
    • one year ago
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    Simplify 64 to the negative 1 third power A.) −4 B.) negative 1 over 4 C.) 1 over 4 D.) 4

  4. Directrix
    • one year ago
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    Is this the first problem: |dw:1443900793845:dw|

  5. Directrix
    • one year ago
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    Look at the "raising a power to a power" rule on the attachment.

  6. Directrix
    • one year ago
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    Ashy98 What does this equal: 2/3 times 4/5

  7. Ashy98
    • one year ago
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    8/15

  8. Directrix
    • one year ago
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    If this --> Q 2 A? means is the answer to question 2 the option A, then no. Let's finish the first question and then move to the second, okay?

  9. Ashy98
    • one year ago
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    okay

  10. Directrix
    • one year ago
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    8/15 is correct for the exponent on number 1. |dw:1443901228270:dw|

  11. Directrix
    • one year ago
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    Agree?

  12. Ashy98
    • one year ago
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    yes

  13. Directrix
    • one year ago
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    Simplify 64 to the negative 1 third power |dw:1443901341366:dw|

  14. Directrix
    • one year ago
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    64 to the negative 1/3 power does NOT mean -1/3 times 64. ---------------- What is 6 times -(1/3) = ?

  15. Ashy98
    • one year ago
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    -2?

  16. Directrix
    • one year ago
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    Yes. |dw:1443901600194:dw|

  17. Directrix
    • one year ago
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    Last step: What is 2 raised to the -2 power? Hint: the answer is not -4 becase 2 to the -2 power does not mean to multiply 2 by -2 :)

  18. Directrix
    • one year ago
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    On the chart I uploaded, look for the negative exponent rule.

  19. Directrix
    • one year ago
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    Question?

  20. Directrix
    • one year ago
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    No. |dw:1443901809575:dw|

  21. Ashy98
    • one year ago
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    ohh okay i did that wrong thank you!!!

  22. Directrix
    • one year ago
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    The negative exponent is not the sign of the base of the expression. It tells you that the expression belongs in a denominator.

  23. Directrix
    • one year ago
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    You are welcome.

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