SOLUTION: I have 4 problems that make NO SENSE to me at all! I need help!!! 1.(-3xy^3)^4 2.(-mn^8)^3 3.(-2x^2y)^3(5xy^3)^2 4. [4x^5y^2/-2x^3 y^2]^2 This has something to do w

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I have 4 problems that make NO SENSE to me at all! I need help!!! 1.(-3xy^3)^4 2.(-mn^8)^3 3.(-2x^2y)^3(5xy^3)^2 4. [4x^5y^2/-2x^3 y^2]^2 This has something to do w      Log On


   

Question 355804: I have 4 problems that make NO SENSE to me at all! I need help!!!
1.(-3xy^3)^4
2.(-mn^8)^3
3.(-2x^2y)^3(5xy^3)^2
4. [4x^5y^2/-2x^3 y^2]^2
This has something to do with the law of exponents, it's a pretty hard concept to me.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Hi,
*Note: sometimes the harder it gets the easier it is!
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Laws of exponent that will be helpful here:
%28a%5Ep%29%5Eq+=+a%5E%28p%2Aq%29 and %28a%5Em%29%28a%5En%29+=a%5E%28m%2Bn%29
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%284x%5E5y%5E2%29%2F%28-2%2Ax%5E3%2Ay%5E2%29%5E2+=+%284%2Ax%5E5%2Ay%5E2%29%2F4x%5E6y%5E6%29 = x^(-1) * y^(-4)