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## anonymous one year ago simplify the expression. (9x^2 y^4 z^8)^-1/2

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1. misty1212

HI!!

2. anonymous

help me please

3. misty1212

the negative exponent means take the reciprocal, (flip it)

4. misty1212

the one half means take the square root

5. misty1212

$\sqrt{9x^2y^4z^8}=9xy^2z^4$ so final answer is the reciprocal of that i.e $\huge \frac{1}{3xy^2z^4}$

6. misty1212

oops typo on the second line, but answer is correct

7. anonymous

thanks will you help me some more

8. misty1212

if i can go ahead and post

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