Answer:

~~~~~~~~~~~~~~~~~~~
46/4 = 11 remainder 2 =

47/4 = 11 remainder 3 = 1
48/4 = 11 remainder 0 =

49/4 = 11 remainder 1 = -1
Explanation:
(remainder 0)
(remainder 1)
(remainder 2)
(remainder 3)
(remainder 0)
The pattern repeats every FOUR in the exponent