Answer:Major-General Johnson Aguiyi-Ironsi (January 16, 1966 – July 12, 1966) 177 days
General Yakubu Gowon (August 1, 1966 – July 29, 1975) 8 years, 362 days
General Murtala Mohammed (July 29, 1975 – February 13, 1976) 199 days
Major-General Olusegun Obasanjo (February 13, 1976 – October 1, 1979) 3 years, 258 days
Major-General Muhammadu Buhari (December 31, 1983 – August 27, 1985) 1 year, 239 days
General Ibrahim Babangida (August 27, 1985 – August 26, 1993)7 years
Chief Ernest Shonekan (August 26,1993 – November17,1993)83 days
General Sani Abacha (November17,1993 – June8,1998)4 years
General Abdulsalami Abubakar (June8,1998 – May29,1999)355 days
Step-by-step explanation: