(2^4*7^3)/(7*2)^2= (2^4*7^3)/7^2*2^2=2^2*7^1=4*7=28 (7^7*2^5)/14^5=(7^7*2^5)/(7*2)^5=(7^7*2^5)/7^5*2^5=7^2=49 (3^7*4^4)/12^4=(3^7*4^4)/(3*4)^4=(3^7*4^4)/(3^4*4^4)=3^3=27