SOLUTION: I think I am doing this problem wrong. If I am can you help me to find the mistake I am making? simplify (10y^7)^4 (6y^-8)^-3 This is multiplication and what I have so far is 1

Question 394215: I think I am doing this problem wrong. If I am can you help me to find the mistake I am making?
simplify (10y^7)^4 (6y^-8)^-3 This is multiplication and what I have so far is
10^4(y^7)^4(1/6)^3(1/y^8)^3 then I got
10000y^11(1/216)(1/y^11)
I feel like that is not right please let me know what I am doing wrong. I have checked the book and I'm not understanding it a whole lot.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
simplify

=
=
=
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You added the exponents where you should have multiplied.

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This is multiplication and what I have so far is
10^4(y^7)^4(1/6)^3(1/y^8)^3 then I got
10000y^11(1/216)(1/y^11)

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