Question 117143
5^-7/5^-4=5^(-7+4)=5^-3=1/5^3
X^-3/X^-6=X^(-3+6)=X^3
Y^2/Y^4=Y^(2-4)=Y^-2=1/Y^2
COMBINING THESE ELEMENTS WE HAVE:
X^3/5^3Y^2 OR X^3/125Y^2 ANSWER.