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The exponent of a number says how many times to use the number in a multiplication. In words: 8 2 could be called "8 to the power 2" or "8 to the second power", or simply "8 squared". Exponents make it easier to write and use many multiplications. Example: 96 is easier to write and read than 9 × 9 × 9 × 9 × 9 × 9.
- Fractional Exponents
In words: 8 2 could be called "8 to the second power", "8 to...
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- Powers of 10
The exponent (or index or power) of a number says how many...
- Working With Exponents and Logarithms
In this example 23 = 2 2 2 = 8 ... (2 is used 3 times in a...
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- Negative Exponents
In this example: 8 2 = 8 × 8 = 64. In words: 8 2 can be...
- Fractional Exponents
A power of two is a number of the form 2n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent. Powers of two with non-negative exponents are integers: 20 = 1, 21 = 2, and 2n is two multiplied by itself n times. [1][2] The first ten powers of 2 for non-negative values of n are:
Laws of Exponents. Exponents are also called Powers or Indices. The exponent of a number says how many times to use the number in a multiplication. In this example: 82 = 8 × 8 = 64. In words: 8 2 could be called "8 to the second power", "8 to the power 2" or simply "8 squared". Try it yourself:
There are two specially-named powers: "to the second power" is generally pronounced as "squared", and "to the third power" is generally pronounced as "cubed". So 53 is commonly pronounced as "five cubed". When we deal with numbers, we usually just simplify; we'd rather deal with 27 than with 33.
In mathematics, exponentiation is an operation involving two numbers: the base and the exponent or power. Exponentiation is written as bn, where b is the base and n is the power; often said as " b to the power n ". [1] .
Exponents represent repeated multiplication, making numbers grow quickly. For example, 2 to the 3rd power means multiplying three 2's together, resulting in 8. This concept differs from multiplication, which is simply repeated addition. Understanding exponents is essential for mastering higher-level math.
Powers - BBC Bitesize. Key points. Using. powers. is a mathematical shorthand way of writing repeated multiplication using the same number. A power is the small floating number that goes to the...
