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Simplify, (-3ab^3)^4 i'm not sure about this one.. help please. :(
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Apply 4 to every term..
\[(-3)^4 (a)^4 (b^3)^4\]
-12a4b7?
\((-3)^4\) = ???
oh..-81a4b7?
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\[(-3)^4 = -3 \times -3 \times -3 \times -3\]
oh. positive 81!
81a4b12?
now check for b power ..
Yes you are right...
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thankyou!
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