AMC8 1997
AMC8 1997 · Q1
AMC8 1997 · Q1. It mainly tests Fractions, Decimals.
\(\frac{1}{10} + \frac{9}{100} + \frac{9}{1000} + \frac{7}{10000} =\)
\(\frac{1}{10} + \frac{9}{100} + \frac{9}{1000} + \frac{7}{10000} =\)
(A)
0.0026
0.0026
(B)
0.0197
0.0197
(C)
0.1997
0.1997
(D)
0.26
0.26
(E)
1.997
1.997
Answer
Correct choice: (C)
正确答案:(C)
Solution
Convert to decimals: \(0.1 + 0.09 + 0.009 + 0.0007 = 0.1997\).
转换为小数:\(0.1 + 0.09 + 0.009 + 0.0007 = 0.1997\)。
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