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hartnn
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\(\huge (x^a)^b=x^{ab}\)

hartnn
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so (x^4)^4=?

rannsan
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4x^4 or 16x?

UnkleRhaukus
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\[(x^4)^4=(xxxx)^4=(xxxx)(xxxx)(xxxx)(xxxx)\]
\[(x^4)^4=(x^4)(x^4)(x^4)(x^4)=(xxxx)(xxxx)(xxxx)(xxxx)\]

hartnn
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notice that powers get multiplied and remain as powers.....

rannsan
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x^16

hartnn
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yup, u got it :)

UnkleRhaukus
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thats it!

rannsan
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wow I am getting this, I have got to get an A to maintain my 4.0 gpa. Thank you!

hartnn
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welcome ^_^