All powers of municipal government shall be exercised in the manner prescribed in this Charter; or, if not prescribed herein, in such manner as shall be provided by ordinance, resolution, or other action of the Council. In the event that the manner of exercise of any municipal power shall neither be prescribed by this Charter, nor provided by ordinance, resolution, or other action of the Council, then such municipal power shall be exercised in the manner provided by the general laws of the State of Ohio.