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  3. If[img]2014m9x/ct_egreqm_egreqjs_0017_20148[/img]is expressed as a terminating d

If[img]2014m9x/ct_egreqm_egreqjs_0017_20148[/img]is expressed as a terminating d

游客2024-01-12  42
问题 Ifis expressed as a terminating decimal, how many nonzero digits will the decimal have?
选项 A、One
B、Two
C、Four
D、Six
E、Eleven
答案 B
解析 To convert the fraction to a decimal, it is helpful to first write the fraction in powers of 10. Using the rules of exponents, you can write the following.

So the decimal has two nonzero digits, 6 and 4. The correct answer is Choice B.
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