Question

Please help!! Show work please!!

Answer 1

`4^(-2)x^3y^(-5)z^(-1)=(1)/(4^2)\cdot x^3\cdot(1)/(y^5)\cdot(1)/(z^1)=\boxed{(x^3)/(16y^5z)}\\\\Used:\\\\a^(-n)=(1)/(a^n)`

Answer 2

x^3

-------------

16 y^5 z

Explanation:

4^-2 x^3 y^-5 z^-1

negative exponents flip

x^3 x^3

------------- = -------------

4^2 y^5 z^1 16 y^5 z