Question

7p^4/10q^3•5q/14p^2 :3p/4q^4
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Answer 1

$frac{7p^4}{10q^3} * frac{5q}{14p^2} : frac{3p}{4q^4} = = frac{7p^4* 5q*4q^4}{10q^3*14p^2*3p}= frac{140*p^4q}{140*3 *p^3q^3 } = frac{p}{3q^2}$