SOLUTION: Please help me out on this equation: {{{ x^(2/3) = 16 }}} I got an answer, but they were both extraneous and I want to know if I did it right.
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Question 155546: Please help me out on this equation: I got an answer, but they were both extraneous and I want to know if I did it right.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x^(2/3)=16
cubertx^2=16 Cube both sides.
x^2=16^3
x^2=4096 Take the sqrt of both sides.
x=64 Answer.
Proof:
64^2/3=16
cubert64^2=16
cubert4096=16
16=16
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