Multiple choice will give brainliest!

Describe all the numbers that when rounded to the nearest thousand are 645,000

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.