2. 外语
  3. Ifis expressed as a terminating decimal, how many nonzero digits will the decimal have?

Ifis expressed as a terminating decimal, how many nonzero digits will the decimal have?

admin2014-08-13  20
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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