we know that
[tex] 16.454=16.45+0.004 [/tex]
so
[tex] 16.45 < 16.45+0.004 [/tex]
therefore
[tex] 16.45 [/tex] is less than [tex] 16.454 [/tex]
because [tex] 16.454 [/tex] is [tex] 4 [/tex] thousandths more than [tex] 16.45[/tex]
the answer is
[tex] 16.45 [/tex] is less than [tex] 16.454 [/tex]