The gay 90s was a time of elegance and extravagance.

There are 900 students in the school.

He dialed the 900 number to get the latest news.

The 9th Cir. is a federal court of appeals.

I love listening to music from the 90s.

The 900s were a time of great change and innovation.

I saw three 911s parked outside the dealership.

She 911s her friend for help.

List 99 is a popular name for a list of individuals who are barred from working with children in the United Kingdom.

The 68-95-99.7 rule, also known as the empirical rule or the three-sigma rule, is a statistical rule that states that for a normal distribution, nearly all data falls within three standard deviations of the mean.