112011≡1+2011⋅10+2011⋅20102⋅100 ≡1+20110+11⋅102⋅100 =1+20110+5500 ≡1+110+500 =611(mod 1000). 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)....
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
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...
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 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
Conducting a national census, you’d have thought, is the fairly straightforward, albeit huge, task of finding out about the social make-up of a country. But the way it’s carried out can be as revealing as the data itself. In 2010 and 2011, more than 110 countries will deploy civil ...
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. 选项: 答案: A 提问列表 提问: 选了E 没有找到解答...
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The decimal point, at the hundreds digit, which is 6. Since the hundreds unit is 6, rounding up occurs and the number returned is 2000. Query 4 has dispensed with the decimal precision parameter. This implies that rounding is done to the nearest whole number. Since the tenth unit is 9,...