third power
Học thuậtThân thiện
Definition
Noun 1. The product of three equal terms: The result of multiplying a number by itself twice. This is also known as the cube of a number.
Usage
The term "third power" is used in mathematics to specify exponentiation where the exponent is 3. It describes a number raised to the power of three. * The third power of 2 is 8, because 2 × 2 × 2 = 8. * In the equation x³ = 27, finding x means finding the number whose third power is 27.
Examples
- Calculating the volume of a cube requires finding the third power of the length of its side.
- The number 125 is the third power of 5.
- The mathematician explained the concept of a third power to the students.
Advanced Usage
- "Raised to the third power": This is the most common verbal phrasing.
- Ten raised to the third power is one thousand.
- "To the third power": A slightly shorter, equivalent phrase.
- The variable 'y' to the third power is written as y³.
Variants and Related Words
- Cube (n.): A common synonym for the third power of a number.
- The cube of 3 is 27.
- Cubed (adj.): The state of being raised to the third power.
- We need to calculate the area of the squared side and the volume of the cubed side.
- Exponentiation (n.): The general mathematical operation of raising a base number to a power, which includes raising to the third power.
Synonyms
- Cube
- n³ (where is any number)
Related Phrases
- Third root: The inverse operation of finding the third power. The third root of 8 is 2.
- Perfect cube: A number that is the third power of an integer (e.g., 1, 8, 27, 64).
Noun
- the product of three equal terms