What is the opposite of the opposite of the number located at point a?

A) −9
B) -1/9
C) 9
D) 1/9

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _