rad 27^2/z^15 and rad 28a^4 /b^10 I don't need answers just how to do.

Algebra
Tutor: None Selected Time limit: 1 Day


272
z15

28a4
b10

I can't figure out how to solve these. 

Jan 15th, 2015

Cube root of

272/z15   = (272/z15)1/3 = (36/z15)1/3  

= 36*1/3 /z15*1/3 = 32/z5 = 9/z5

Square root of 28a4 /b10 =(28a4 /b10)1/2  

= √28 * a4*1/2 /b10*1/2

= √28 * a2 /b5


Jan 15th, 2015

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