
Phillip R. answered 09/15/14
Tutor
New to Wyzant
Top Notch Math and Science Tutoring from Brown Univ Grad
Tara
Do you know the four rules involving powers and exponents?
xaxb = xa+b multiply powers: add exponents
xa / xb = xa-b divide powers: subtract exponents
(xa)b = xab power to a second power: multiply exponents
x-a = 1/xa a negative power is equal to the reciprocal of the positive power