we know that, volume of a rectangular prism is given by :
βΏ {length Γ width Γ height}
given : the length of rectangular prism = 5.5
given : the width of rectangular prism = 6
given : the height of rectangular prism = 3
β the volume of given rectangular prism = {5.5 Γ 6 Γ 3}
β the volume of given rectangular prism = 99