Deb has 3/4 of a brownie. She wants to divide it up into 1/12’s of a brownie so she can have it throughout the day. How many 1/12’s will she have

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 = _