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Unit 3
Unit Three Extra Credit Vocabulary Practice
| Term | Definition |
|---|---|
| Cubed | a base raised to the power of three |
| Cube Root | the number that produces a given number when multiplied by itself three times; the inverse of cubing a number |
| Decimal Expansion | the process of turning a whole number, fraction or mixed number into a decimal |
| Exponent | the number that indicates how many times the base in a power is multiplied |
| Exponential Notation | a shorthand way of writing repeated multiplication using a base and an exponent |
| Index | in the radical , which represents the nth root of x, n is the index. In the radical , the index is understood to be 2. |
| Irrational number | a number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal |
| Natural Numbers | the numbers that are used for counting |
| Squared | a base raised to the power of two |
| Square Root | the number that produces a given number when multiplied by itself; the inverse of squaring a number |
| Radical | The symbol used to denote a root |
| Radicand | the expression under a radical sign |
| Rational Number | a number that can be written in the form where a and b are integers and b ≠ 0. |
| Real Number | a rational or irrational number. Every point on the number line represents a real number. |
| Repeating Decimal | a decimal in which one or more digits repeat infinitely |
| Scientific Notation | a method of writing very large or very small numbers by using powers of 10 |
| Terminating Decimal | a decimal number that ends or terminates |
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