Q:
# What prefix is used for the number "9"?

**The most common prefix for the number nine is "nona-", such as in the word "nonagon," which describes a polygon with nine sides, and "nonagenarian," a person in his 90s.** A less commonly used prefix is "nove-," as in "novennial," which is an event that occurs every nine years.

Another prefix used for the number nine is "novem-," as in the month "November," which used to be the ninth month in the ancient Roman calendar. Another prefix is "ennea-," which is derived from Greek and used in the word "enneahedron," which is another word for a "nonahedron," a solid with nine faces. Another prefix for nine from the Greek language is "enneakis-."

Learn more about Numbers-
Q:
## What does the term value refer to in mathematics?

A: In math, the word "value" refers to a number. This number is often the result of a previous calculation, but it can also refer to the value of a variable o... Full Answer >Filed Under: -
Q:
## What is number and word notation?

A: In math, number and word notation is simply writing the significant digits of a large number and using words for the place value. For example, the number 4... Full Answer >Filed Under: -
Q:
## How do you draw a hexagon?

A: A person draws a hexagon by drawing a closed polygon with six sides and six vertices. A regular hexagon has six equal sides and six equal angles. A person ... Full Answer >Filed Under: -
Q:
## How many degrees are in a polygon?

A: The degrees of a polygon, or the sum of its angles, depends on the number of sides the polygon has. The sum of the degrees of the angles of a polygon equal... Full Answer >Filed Under: