Respuesta :

altavistard
In x^-3  which would be clearer if written as x^(-3), the exponent of x is -3.

x^(-b) = 1/x^b (put the base, x, into the denominator and change the sign of the exponent).

Thus, x^(-3) = 1 / x^3     (one over the 3rd power of x).