GRE考试

易错题: Factors and Multiples Thes

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根据网考网考试中心的统计分析,以下试题在2019/6/30日GRE考试习题练习中,答错率较高,为:97%
【分析解答题】

Factors and Multiples
These questions will test your knowledge of operations involving factors and multiples.
Answer the following questions.
What is the greatest positive integer x such that 2x is a factor of 1210
,答错率:97%
网考网试题解析:

试题答案: 答案解析:To reach an answer, you first must find the smallest factors of 12, as follows: 12 10 =(3×2×2) 10 Remember that the exponent applies to every value within the parentheses; thus, (3×2×2) 10 =3 10 ×2 10 ×2 10 . When multiplying powers with the same base, you add the exponents: 3 10 ×2 (10+10) =(3 10 )(2 20 ); 2 20 is a factor of 12 10 . document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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