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Mathematics 22 Online
OpenStudy (anonymous):

solve 8^1/3

OpenStudy (anonymous):

A. the fraction 8 over 3 B. 2.7 C. 2 D. -8

OpenStudy (anonymous):

\[8^1/3 =\sqrt[3]{2^{3}}=2\]

OpenStudy (anonymous):

how did you get that

OpenStudy (anonymous):

by practicing alot :)

OpenStudy (anonymous):

that's not what I meant but thanks for the help

zepdrix (zepdrix):

buhahaha XD the lil dawg is back!!

OpenStudy (anonymous):

lol

zepdrix (zepdrix):

Do you understand this concept? \[\Large \sqrt{x}\quad=\quad x^{1/2}\]We can represent the powers AND roots as a fraction. The degree of the root (2 in the example) is the value in the denominator.

OpenStudy (anonymous):

can you give an ex.

zepdrix (zepdrix):

\[\Large 625^{1/4} \quad=\quad \sqrt[4]{625}\]

zepdrix (zepdrix):

See how I wrote the degree of the root as `4` because there was a 4 in the fraction of our exponent? :o

zepdrix (zepdrix):

in denominator of our exponent*

OpenStudy (anonymous):

yeah thank you that was a good example

zepdrix (zepdrix):

Florida also?? Where at? :D I'm in stinky ole Deltona myself -_-

OpenStudy (anonymous):

brandon

zepdrix (zepdrix):

neato :3

zepdrix (zepdrix):

Can you use that exponent idea and it apply it to your 8? :O What would it give you??

OpenStudy (anonymous):

c

zepdrix (zepdrix):

lol you're just saying that because someone said it earlier -_- I was trying to see if you could write it like this:\[\Large 8^{1/3} \quad=\quad \sqrt[3]{8}\]

zepdrix (zepdrix):

But yes that will simplify further to 2 -_- silly dawg

OpenStudy (anonymous):

I gotta go

zepdrix (zepdrix):

k c:

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