The expression (x^3)(x^-17) is equivalent to x^n. what is the value of n?

Need solving this second acceleration problem.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0