https://www.onlinefreelancersnetwork.com/wp-content/uploads/2020/08/logoOFN.png00Frank Mainhttps://www.onlinefreelancersnetwork.com/wp-content/uploads/2020/08/logoOFN.pngFrank Main2021-07-13 06:34:532021-07-13 06:34:53Factorial 0 is equal to a) 0 b) 0.1 c) 1 d) -1