x^(2/3)=4,x=?

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x^(2/3)=4,x=?

Guest Nov 4, 2014

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Best Answer

+130561

+5

x^(2/3)=4

Just take everything to the 3/2 power....so we have

[x^(2/3)]^(3/2) = 4^(3/2)

x = (4^3)(1/2) = 64^(1/2) = √64 = 8

CPhill Nov 4, 2014

1⁺⁰ Answers

+130561

+5

Best Answer

x^(2/3)=4

Just take everything to the 3/2 power....so we have

[x^(2/3)]^(3/2) = 4^(3/2)

x = (4^3)(1/2) = 64^(1/2) = √64 = 8

CPhill Nov 4, 2014

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