Respuesta :

Heather

Answer: 123.5

Step-by-step explanation:

      When rounding to the nearest tenth, we look at the hundredth place.

             [tex]\displaystyle 123.4\boxed{5}6[/tex]

      Since 5 is greater than or equal to 5, we will round the tenth place up. This gives us an answer of 123.5.

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