CHAPTER 1 : Real Numbers

Exercise 1.4

1. Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion.
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2. Write down the decimal expansions of those rational numbers in Question 1 above which have terminating decimal expansions.
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3. The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form , what can you say about the prime factors of q?
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