Answer:
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10)=(-3)^2.x^4×2.y^2(5.x^2y^6)-7^2x^5×2y^4×2
=(9×5)x^8+2y^2+6-49x^10y^8
=45x^8+2y^2+6-49x^10y^8
=45x^10y^8-49x^10y^8
=-4x^10y^8
89447218502021127475863435723286553431
Step-by-step explanation:
exact answer yeeet thanks for the points
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idc its 12
I believe the answer is C :)
