Chapter 7 - Exponents and Exponential Functions - 7-3 More Multiplication Properties of Exponents - Practice and Problem-Solving Exercises - Page 437: 46

$\frac{1}{9}$

You are given ($N^{9}$$)^{X}$=n.You have to solve for X: $n^{9*x}$=n -multiply exponents when raising power to a power- $n^{9x}$=n -simplify- 9x=1 -write as a non-exponential equation since the bases cancel out and divide both sides by 9- x=$\frac{1}{9}$