Question 67478
Evaluate the following radicals if x=4, y=3, and z=8
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 cube root of (xz) to the -1 power. 
Her answer was 2/4 to the cube root.
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[ (xz)^(-1]^(1/3)

=(xz)^(-1/3)

=(32)^(-1/3)

= (1/32)^(1/3)

=(1/2)(1/4)^(1/3)

=(1/2) times the cube root of (1/4)

Cheers,
Stan H.