Simplify and show work for the following a) (8ab^7)(-7a^-5b^2) b) (4y)^2 (3y^3) c) (2x)^5(3x)^2 3/18/2014 | Theresa from Jackson, NJ | 1 Answer | 0 Votes Mark favorite Subscribe Comment
a) (8ab^7)(-7a^-5b^2) = (8*(-7))a^(1-5)b^(7+2) = -56a^(-4)b^(9) = -56b^9/a^4 b) (4y)^2 (3y^3) = 3*4^2y^2y^3 = 48y^(2+3) = 48y^5 c) (2x)^5(3x)^2 = 2^5 x^5 3^2 x^2 = 32*9 x^(5+2) = 288x^7 3/18/2014 | Steve S. Comment