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Mathematics 15 Online
OpenStudy (sbuck98):

:D

OpenStudy (aihberkhan):

What is your question? @sbuck98

OpenStudy (sbuck98):

@AbdullahM

OpenStudy (abdullahm):

Ok, hi there! :)

OpenStudy (abdullahm):

Ok, we use the same formula that we used for #1 These two formulas: \(\sf\Large (ab)^m = a^mb^m\) \(\sf \Large (a^m)^n = a^{mn}\) This is the question: \(\sf\Large (-2x^3y)^4\)

OpenStudy (abdullahm):

\(\sf\Large (-2x^3y)^4 = (-2)^4 (x^3)^4 (y)^4\) Right? Can you simplify that more?

OpenStudy (sbuck98):

-8

OpenStudy (sbuck98):

16

OpenStudy (sbuck98):

can you help with the last two?

OpenStudy (abdullahm):

correct, (-2)^4 = 16

OpenStudy (abdullahm):

Ok, hint: (x^3)^4 = x^{3*4} ?? What is 3 x 4= ?

OpenStudy (sbuck98):

297

OpenStudy (abdullahm):

how did you get that?

OpenStudy (abdullahm):

What is 3 times 4?

OpenStudy (sbuck98):

oh 12 sorry!

OpenStudy (abdullahm):

correct

OpenStudy (sbuck98):

Okay, so whats the next step?

OpenStudy (abdullahm):

your final answer is \(\sf\large 16x^{12}y^4\)

OpenStudy (sbuck98):

can you help with 3 more

OpenStudy (abdullahm):

sure :)

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