If the result of Exercise 67 seems hard to believe, look at it this way: Use long

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If the result of Exercise 67 seems hard to believe, look at it this way: Use long division to find the repeating decimal representations of 1/3 and 2/3. Then line up the decimals vertically and add them. The result must equal


image



Data from in Exercise 67


The repeating decimal 0.99999 . . . can be written as the sum of the terms of a geometric sequence with a1 = 0.9 and r = 0.1.image


Because |0.1|


Use this formula to find a more common way of writing the decimal 0.99999 . . . .

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Related Book For  answer-question

Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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