AMC 8 1990 Problem 5

AMC8 1990 年第 5 题

表达式与运算★☆☆☆☆
Which of the following is closest to the product (0.48017)(0.48017)(0.48017) ?
以下哪个最接近乘积 (0.48017)(0.48017)(0.48017)?
  1. A.0.011
  2. B.0.110
  3. C.1.10
  4. D.11.0
  5. E.110

正确答案 · Correct Answer

B

解析 · Solution

Solution 1

Since.48017 is between.4 and.5, (.48017)3(.48017)^3 must be between (.4)3=.064(.4)^3 =.064 and (.5)3=.125(.5)^3 =.125. So.40817 must be closest to 0.110.

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