What is the prefix for twenty?
What is the prefix for twenty?
viginti-
Table of number prefixes in English
| Number | Latin prefixes | Greek prefixes |
|---|---|---|
| Cardinal | Cardinal | |
| 18 | octodec- | octo(kai)deca-, decaocto- |
| 19 | novemdec-, novendec- | ennea(kai)deca-, decaennea- |
| 20 | viginti- | (e)icosi- |
What are the prefixes for 7?
| prefix | number indicated |
|---|---|
| penta- | 5 |
| hexa- | 6 |
| hepta- | 7 |
| octa- | 8 |
What number is DECA?
ten
Deca (International spelling as used by the International Bureau of Weights and Measures; symbol: da) or deka (American spelling) is a decimal unit prefix in the metric system denoting a factor of ten. The term is derived from the Greek déka (δέκα) meaning ten.
What number is HEPT?
7
IUPAC numerical multiplier
| Number | Multiplier |
|---|---|
| 5 | penta- |
| 6 | hexa- |
| 7 | hepta- |
| 8 | octa- |
What does uni mean in numbers?
1
Common Number Prefixes and Their Meanings
| Prefix | Number |
|---|---|
| uni- mono- | 1 |
| bi- di- | 2 |
| tri- | 3 |
| quad-, quart- tetra- | 4 |
What are the first 10 prefixes?
10 Cards in this Set
| 1 | mono- |
|---|---|
| 7 | hepta- |
| 8 | octa- |
| 9 | nona- |
| 10 | deca- |
What does Hepta mean?
seven
Hepta- is a combining form used like a prefix meaning “seven.” It is used in a number of scientific and other technical terms. In chemistry, hepta- is specifically used to indicate seven atoms or seven groups of atoms in compounds, e.g., heptachlor.
