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Mathematics 20 Online
undeadknight26 (undeadknight26):

Is this right? medal?

undeadknight26 (undeadknight26):

Rewrite the rational exponent as a radical. 5 to the 3 over 4 power, to the 2 over 3 power the cube root of 5 squared the twelfth root of 5**** the square root of 5 the cube root of 5 the fourth power

jigglypuff314 (jigglypuff314):

when it is power to a power, you multiply the powers to simplify it so \[(5^{3/4})^{2/3} = 5^{3/4 \times 2/3} = 5^{6/12} = 5^{1/2}= \sqrt{5}\]

undeadknight26 (undeadknight26):

so the 3rd one?

jigglypuff314 (jigglypuff314):

yep :)

undeadknight26 (undeadknight26):

Can u help me with 1 more?

jigglypuff314 (jigglypuff314):

sure :)

undeadknight26 (undeadknight26):

A rectangle has a length of the fifth root of 16 inches and a width of 2 to the 1 over 5 power inches. Find the area of the rectangle. 2 to the 3 over 5 power inches squared 2 to the 4 over 5 power inches squared 2 inches squared 2 to the 2 over 5 power inches squared

undeadknight26 (undeadknight26):

I think its the third one

undeadknight26 (undeadknight26):

I ranout of time on my test :( thanks any way.

jigglypuff314 (jigglypuff314):

the third choice is correct :D

undeadknight26 (undeadknight26):

Thanks 2 u i got 10/10!

jigglypuff314 (jigglypuff314):

sorry I wasn't able to answer it faster for you

undeadknight26 (undeadknight26):

Np but i got them right.

undeadknight26 (undeadknight26):

I might have some more questions soon...i am now taking a module exam!!!

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