(x^a)(x^b)=x^(a+b)
(ab)(cd)=(a)(b)(c)(d)
x^-m=1/(x^m)
(3y^-4)(2y^-4)=
(3)(y^-4)(2)(y^-4)=
(6)(y^-8)=
6/(y^8)
Well... all u have to do is 85 divided by 4 which equals 21.25..... unless there is another part of the question!!
67.65 + 57.93 = 125.58
200.00 - 125.58 = $74.42 change back
Its 8.
_08___
7 / 56
56
-----------------
0 <--- Leftover
So the answer is 8! Hope it helps! :D
7/2 is the reciprocal of 2/7
