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 ->  Exponents -> 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      Log On


   



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) About Me  (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