upplýsingum

In a sentence

• Ég þarf að biðja um frekari upplýsingum frá honum.

  I need to request further information from him.

  In this sentence, 'upplýsingum' is used in the dative plural form of the noun 'upplýsing' and means 'information'. The context shows it as something being asked for or requested.

• Með upplýsingum geturðu tekið betri ákvarðanir.

  With information, you can make better decisions.

  Here, 'upplýsingum' appears as part of the prepositional phrase 'með upplýsingum', which also uses the dative case to indicate the means or instrument (information) by which something is done.

• Við deildum upplýsingum um verkefnið við hópinn.

  We shared information about the project with the group.

  'Upplýsingum' in this sentence is in the dative plural form, employed here because it is the object of the verb 'deildum', which dictates the dative case for its object in Icelandic.