1)=-0,3a³b² 2) a) 5x*(-2y)=-10xy b) -xy*(-x³)=x⁴y c) -2a²b²*a²*(-7bc²)=14a⁴b³c² d) -k*k²*(-k⁴)=k⁷ e) -2n*mn÷2*½m²n²= -2n*½mn*½m²n²= -½m³n⁴ f) x⁵÷5*x²÷2*(-4x÷5)= ⅕x⁵*½x²*(-⅘x)= -²/₂₅x⁸
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1)=-0,3a³b²
2)
a) 5x*(-2y)=-10xy
b) -xy*(-x³)=x⁴y
c) -2a²b²*a²*(-7bc²)=14a⁴b³c²
d) -k*k²*(-k⁴)=k⁷
e) -2n*mn÷2*½m²n²= -2n*½mn*½m²n²= -½m³n⁴
f) x⁵÷5*x²÷2*(-4x÷5)= ⅕x⁵*½x²*(-⅘x)= -²/₂₅x⁸