Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

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Question 152255: I am not sure if this problem pertains to the subject, but here it is.
4a^3(-6a)^3
I tried to multiply it out, but don't know if the answer I got was right. My answer is -24a^9: I am not sure if this problem pertains to the subject, but here it is.
4a^3(-6a)^3
I tried to multiply it out, but don't know if the answer I got was right. My answer is -24a^9
Answer by scott8148(2724) About Me  (Show Source):
You can put this solution on YOUR website!
slightly awray...

(-6a)^3=(-6)^3(a^3)=-216a^3

multiplying powers means adding exponents __ 4a^3(-216a^3)=-864a^6