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1 vote
The choices are


(4)/(25)

- (2)/(5)

- (4)/(25)

(2)/(5)


The choices are (4)/(25) - (2)/(5) - (4)/(25) (2)/(5) ​-example-1
User Umps
by
7.9k points

2 Answers

0 votes

Answer:

option b) -2/5

Explanation:

Using the rule :


\sqrt[3]{a^3} = (a^3)^{(1)/(3)} = a


\sqrt[n]{-x} = - \sqrt[n]{x} , if \ n \ is \ odd


\sqrt[3]{-(8)/(125)} = \sqrt[3]{-(2 * 2 * 2)/(5 * 5 * 5)} = -(2)/(5)

User Elie
by
8.4k points
2 votes

Answer:


\sqrt[3]{-(8)/(125) }


  • -\sqrt[3]{2^3} /\sqrt[3]{5^3}

  • -2/\sqrt[3]{5^3}

  • -(2)/(5)

So, your answer is B) - 2/5

-----------------------------

hope it helps...

have a great day!!

User Tobik
by
8.0k points

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