Question
How can an exponent be negative? Use an example.
Having trouble with this prompt, I don’t know how to explain what it is asking for.
Having trouble with this prompt, I don’t know how to explain what it is asking for.
Answers
Ms. Sue
http://www.mathsisfun.com/algebra/negative-exponents.html
Scott
a negative exponent is the inverse of a positive exponent
x^-a = 1 / (x^a)
using exponent rules ... 2^3 / 2^5 = 2^-2
... 8 / 32 = 1/4 = 1 / 2^2 = 2^-2
x^-a = 1 / (x^a)
using exponent rules ... 2^3 / 2^5 = 2^-2
... 8 / 32 = 1/4 = 1 / 2^2 = 2^-2