3 power 4 into 3 power minus 5 simplify and express the following as.

Using the laws of exponents simplify and express each of the exponential form with positive exponent : (-3)^4x\ (5/3)^4

Simplify the following ratios: 5/6:3/8: 3 3/4

simplify the following (3/4)^3 xx (3/4)^(-5)

Simplify and express each of the following in exponential form: [(5^2)^(3)xx5^4]div5^7

Simplify and express each of the following in exponential form: (3^(7)-:3^(5))^(4)