landisnj25
landisnj25 landisnj25
  • 13-12-2022
  • Mathematics
contestada

simplify each expression
1.(-6ab^2)(-9bc)
2.(-3ab)(-3ab^2)[-3a^2(b^2)]
3.[r^2(s^4)]^3
4.(-2xy)^3 (-x^2)

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