SOLUTION: Multiply (-3n)^2(2n^9)^2 I can never remember what to do with exponents like this. Multiply or add? Any help will be greatly appreciated

SOLUTION: Multiply (-3n)^2(2n^9)^2 I can never remember what to do with exponents like this. Multiply or add? Any help will be greatly appreciated

Algebra.Com

Question 492636: Multiply
(-3n)^2(2n^9)^2
I can never remember what to do with exponents like this. Multiply or add? Any help will be greatly appreciated
Answer by mananth(16949) (Show Source): You can put this solution on YOUR website!
When it is a multiplication the exponents have to be added.
(-3n)^2(2n^9)^2
(9n^2)(4n^18)
36n^20
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