This is the 726th most frequent Indonesian word.
mengumumkan
To announce.
The word 'mengumumkan' in this sentence means 'to announce,' and it describes the act of making information about the exam results public.
Mereka akan mengumumkan hasil ujian besok.
They will announce the exam results tomorrow.
Here, 'mengumumkan' is used to convey the action of officially sharing information about a policy or program.
Pemerintah mengumumkan program baru untuk masyarakat.
The government announced a new program for the community.
In this instance, 'mengumumkan' signifies the act of stating one's personal plans to others.