百度试题 结果1 题目【题目】What is the hundreds digit of (20!- 15!)?(A.0B.1C.2D.4E.5 相关知识点: 试题来源: 解析 【解析】A
What is the hundreds digit of (20!−15!)?( )A.0B.1C.2D.4E.5 答案 AThe last three digits of n! for all n⩾15 are 0,because there are at least three 2s and three 5s in its prime factorization. Because 0−0=0,the answer is 0.相关推荐 1What is the hundreds digi...
What is the hundreds digit of the integer z? (1) 10z = 93,120 (2) z rounded to the nearest hundred is 9,300. 选项: 答案: A 经典答疑 发起提问 提问: 点此查看答疑 条件2是什么意思 评分: 0 浏览: 724 学长故事 GMAT考了4次,是什么让我成功突围 体验过线上和线下,从GMAT620一...
解析 the hundreds digit of 10n is 6---说明n的十位是6 the ens(这里应该是tens吧?) digit of n+1 is 7---说明n是69 这题只问 tens digit,那就是6,2这个条件没用 分析总结。 这题只问tensdigit那就是62这个条件没用反馈 收藏
Therefore, the hundreds digit is (D) 6. Sidenote: By Euler's Totient Theorem, aϕ(1000)≡a(mod 1000) for any a, so a400≡a(mod 1000) and 112011≡1111(mod 1000). We can then proceed using the clever application of the Binomial Theorem. We need to compute 20112011(mod 1000). By...
百度试题 结果1 题目What is the hundreds digit of 20112011?( )(2011 AMC 10B Problem, Question #23) A.1 B.4 C.5 D.6 E.9 相关知识点: 试题来源: 解析 D 反馈 收藏
This is true since the place value of any digit contributes to its equal place value (and possibly also to a greater place value) in the product.That is, the hundreds digit of each number being multiplied contributes to the hundreds digit (and possibly to digits of higher place value) i...
The product of the units digit, the tens digit, and the hundreds digit of the positive integer m is 96. What is the units digit of m? (1) m is odd. (2) The hundreds digit of m is 8._选了E 没有找到解答 出国考试答疑器_GMAT_提问
例:What is the greatest prime factor of 2100 - 296? (A) 2(B) 3(C) 5(D) 7(E) 11例:A positive integer n is said to be “prime-saturated” if the product of all the different positive prime factors of n is less than the square root of n. What is the greatest two-digit pr...
What is an ordinal number?Question:What is an ordinal number?Types of Numbers:Math is the study of numbers and their values. As you study math, you will hear about different types of numbers such as cardinal numbers, ordinal numbers, Roman numerals, and Arabic numerals.Answer...