Simplify: `(a^x)xx(a^y)xx(a^z)`.

Simplify: (1/27)xx2^(-3)

Simplify 3^2xx(3^2)^4 .

Simplify: 4^4xx16^-2xx4^0

Simplify: 5/6xx4 2/7

Simplify : (-7)^7xx(-7)^8 .

Simplify : 2^2xx(3^2/2^-2)xx3^-1

Simplify the following using laws of exponents : a^x xx a^y xx a^z .

Simplify ((x ^(a))/( x ^(n)) ) ^(a) xx ((x ^(b))/( x ^(a)))^(a) xx (( x^(a))/( x ^(a)))^(b)

Simplify the following using laws of exponent a ^( xy) xx a ^(yz) xx a ^(zx)

Simplify ((-3)/4)xx(5/(-6))xx8/7xx((-14)/5)