<PRE><B>Question 179470</B>
Few rules to remember: 

(6-^2÷6^3)-^2 ÷ (6^4 * 6-^5)^3 ÷ (6-^3)-^5  
(6^(-2-3))^-2 ÷ (6^(4+-5))^3 ÷ (6^-3)^-5   
(6^-5)^-2  ÷  (6^-1)^3 ÷  (6^-3)^-5
6^(-5*-2) ÷  6^(-1*3) ÷ 6^(-3*-5)
6^10  ÷  6^ -3  ÷ 6^15
6^(10--3) ÷ 6^15
6^13 ÷ 6^15
6^(13-15)
6^-2
1/(6^2)

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