Ashy98
  • Ashy98
Can someone help me with 2 questions?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Ashy98
  • Ashy98
Simplify open parentheses x to the 2 third power close parentheses to the 4 fifths power
Ashy98
  • Ashy98
A.) \[x^\frac{ 2 }{ 5 }\] B.) \[x^\frac{ 2 }{ 15 }\] C.) \[x^\frac{ 8 }{ 15 }\] D.) \[x^\frac{ 22 }{ 15 }\]
Ashy98
  • Ashy98
Simplify 64 to the negative 1 third power A.) −4 B.) negative 1 over 4 C.) 1 over 4 D.) 4

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More answers

Directrix
  • Directrix
Is this the first problem: |dw:1443900793845:dw|
Directrix
  • Directrix
Look at the "raising a power to a power" rule on the attachment.
Directrix
  • Directrix
Ashy98 What does this equal: 2/3 times 4/5
Ashy98
  • Ashy98
8/15
Directrix
  • Directrix
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?
Ashy98
  • Ashy98
okay
Directrix
  • Directrix
8/15 is correct for the exponent on number 1. |dw:1443901228270:dw|
Directrix
  • Directrix
Agree?
Ashy98
  • Ashy98
yes
Directrix
  • Directrix
Simplify 64 to the negative 1 third power |dw:1443901341366:dw|
Directrix
  • Directrix
64 to the negative 1/3 power does NOT mean -1/3 times 64. ---------------- What is 6 times -(1/3) = ?
Ashy98
  • Ashy98
-2?
Directrix
  • Directrix
Yes. |dw:1443901600194:dw|
Directrix
  • Directrix
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 :)
Directrix
  • Directrix
On the chart I uploaded, look for the negative exponent rule.
Directrix
  • Directrix
Question?
Directrix
  • Directrix
No. |dw:1443901809575:dw|
Ashy98
  • Ashy98
ohh okay i did that wrong thank you!!!
Directrix
  • Directrix
The negative exponent is not the sign of the base of the expression. It tells you that the expression belongs in a denominator.
Directrix
  • Directrix
You are welcome.

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