5^0/5^-6 * 1/5^-11 / (5^2)^4/(5^10)^2

5^0/5^-6 * 1/5^-11 / (5^2)^4/(5^10)^2

5^6 * 5^11 / (5^8 / 5^20)
5^17 * 5^12
5^29