Answer:
3125
Explanation:
Lets try to make them all bases of something in either denominator or numerator so they can be reduced
3^-5*5^-5*2^-5*5^3/5^-7*2^-5*3^-5
3^-5 and 2^-5 cancel out
5^-5*5^3/5^-7
-5+3=-2 so 5^-2/5^-7
-2-(-7)=5 sp 5^5
5^5 = 3125