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Mathematics
OpenStudy (anonymous):

Help Please! Reduce rational expression, 16 x to the 8 power -21y to the 9 power ____________________ . ______________________ 3y to 11 power 10x to the 7 power Thank you.

OpenStudy (anonymous):

Is the (16x^8)/(3y^11) multiplied by the (-21^9)/(10^7)?

OpenStudy (anonymous):

yes :)

OpenStudy (anonymous):

its actually -21 y to the 9th power

OpenStudy (anonymous):

(2*8*x^7*x*(-7)*3*y^9)/(3*y^9*y^2*2*5*x^7)= cancel out 2*x^7*3*y^9 (8x*(-7))/(y^2*5)=-56x/5y^2

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