Express each of the following as power of a rational number with positive exponent : `(1/4)^(-3)` (ii) `5^(-3)xx 5^(-6)` (c) `((-1)/4)^(-5)xx ((-1)/4)^(-7)`

Explanation

(i)`(1/4)^(-3)=4^3`

(ii)`5^(-3)`x`5^(-6)=5^3`x`5^6`

(iii)`(-1/4)^(-5)`x`(-1/4)^(-7)=(-4)^5`x`(-4)^7`