Round off one by one
[tex]\\ \tt\bull\rightarrowtail 0.0026217[/tex]
[tex]\\ \tt\bull\rightarrowtail 0.002622[/tex]
[tex]\\ \tt\bull\rightarrowtail 0.00262[/tex]
[tex]\\ \tt\bull\rightarrowtail 0.0026[/tex]
[tex]\\ \tt\bull\rightarrowtail 0.003[/tex]
