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Erschienen in:
1981 | OriginalPaper | Buchkapitel
Powers and Indices, Binary Arithmetic
verfasst von : Owen Perry, B.SC., Joyce Perry, B.SC.
Erschienen in: Mathematics I
Verlag: Palgrave Macmillan UK
Enthalten in: Professional Book Archive
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Powers of ten were introduced in chapter 3, and powers of any positive integer can be evaluated in the same way. For example, 23,the third power of 2, = 2 × 2 × 2 = 8 and 34, the fourth power of three = 3 × 3 × 3 × 3 = 81 In 34 3 is called the base and 4 is the index. Similarly 27 has base 2 and index 7. The numbers 34 and 27 are said to be in index form.