Evaluate `((a^6)^3xx(a^2)^8xx(a^(-3))^4)/((a^2)^5xx(a^5)^2)`

Evaluate: (3^(4)xx12^(3)xx36)/(2^(5)xx6^(3))

Evaluate (i) (8^(-1)xx5^(3))/(2^(-4))( ii) (5^(-1)xx2^(-1))xx6^(-1)

Evaluate: (5^(4)xx7^(4)xx2^(7))/(8xx49xx5^(3))

Evaluate 3/5 xx 2/3xx(-4)/5

((2^8)^2xx5^3)/(7^3xx4)

Evaluate [3/4xx((2/4)xx(4/5)+3/4-4/5)xx4/3]

Evaluate: (i) ((5)/(3)) ^(2 ) xx ((5)/(3)) ^(2) (ii) ((5)/(6))^(6) xx ((5)/(6)) ^(-4) (iii) ((2)/(3)) ^(-3) xx ((2)/(3)) ^(-2) (iv) ((9)/(8)) ^(-3) xx ((9)/(8)) ^(2)

Simplify and express each of the following as power of a rational number: (2/3)^3xx(-6/7)^2xx(-7/4)xx3/2 (iii) -(2/5)^2xx(5/7)^2xx(49)/5+(-4/5)^3xx5/4xx3/4

Simplify: ((5^(-3)xx7^(4))/(7^(-2)xx5^(-6)))^((5)/(2))xx((5^(-3)xx7^(-3))/(7^(5)xx5^(2)))^((3)/(2))

Simplify: ((5^(-3)xx7^(4))/(7^(-2)xx5^(-6)))^((5)/(2))xx((5^(-3)xx7^(-3))/(7^(5)xx5^(2)))^((3)/(2))