Exponent in English

Mô tả sản phẩm

The English term for "lũy thừa" is **exponent** or **power**. An exponent indicates how many times a number (the base) is multiplied by itself. For example, in the expression 2³, 3 is the exponent, and 2 is the base. This means 2 multiplied by itself three times (2 x 2 x 2 = 8).

Understanding Exponents in English

Key Terminology

The base is the number being multiplied, and the exponent is the number of times the base is multiplied by itself. The result of raising the base to the power of the exponent is called the power or sometimes the value. For instance, in 5⁴ (5 to the power of 4), 5 is the base, 4 is the exponent, and 625 (5 x 5 x 5 x 5) is the power.

Expressing Exponents in English

There are several ways to express exponents in English: * **Five to the power of four:** This is a common and clear way to say 5⁴. * **Five raised to the fourth power:** Another standard phrasing. * **Five to the fourth:** A shorter, more informal way. * **5⁴:** The mathematical notation is also understood in written English.

Examples of Exponents in Context

Exponents are used extensively in mathematics, science, and various other fields. Here are a few examples: * **Calculating compound interest:** Understanding exponents is crucial for calculating compound interest over time. * **Scientific notation:** Exponents are used to express very large or very small numbers in a compact manner. * **Polynomial expressions:** Exponents play a vital role in algebraic expressions involving polynomials. Understanding the concept of exponents and the various ways to express them in English is essential for anyone studying mathematics or related fields. Knowing the terminology and different phrasing options ensures clear and accurate communication.

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