11.09
is,
11 and 9/100
which is in simplest form for the mixed number, so to get improper fraction....,
(100 * 11 + 9)/100
= 1109/100
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1 mile = about 1.61 kilometers Therefore, 1109 kilometers is about 689 miles
1109
1,109 is a prime number. Its only factors are 1 and itself.
1509 is written M C I XM C I X is 1109. M D I X is 1509
1,109 = (1 x 1000) + (1 x 100) + (0 x 10) + (9 x 1)