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OpenStudy (anonymous):
A. write the expression 81^-3/4 in radical notation. B. evaluate the radical expression
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OpenStudy (anonymous):
\[\sqrt{ 81^-3/4}= ?\] Right ?
OpenStudy (anonymous):
We can say : 81=3^4=>81^-3=(3^4)^-3 = 3^-12 and : \[\sqrt{3^-12 }=3^-12/2=3^-6\] And 4=2^2 So : \[\sqrt{2^2}=2^2/2=2\] @sexybadass22
OpenStudy (anonymous):
We have : 3^-6/2 =>3^-6=1/3^6 =>1/3^6/2=>1/3^6/2/1=1/3^6 * 2
OpenStudy (anonymous):
@sexybadass22
OpenStudy (lukecrayonz):
81^-3/4 is not sqrt(81^-3/4)
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Directrix (directrix):
@CF7 is offline, I think.
OpenStudy (anonymous):
Yes .! I think this user answer is right .;)
OpenStudy (skullpatrol):
|dw:1383214059596:dw|
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