There are 1,234 students in Grade Nine. How many digits are there in this number? A. 3 B. 4 C. 7 D. 8 相关知识点: 试题来源: 解析 C。1234 这个数字一共有 4 个数字组成,分别是 1、2、3、4,所以一共有 4 位数字。A 选项 3 位错误;B 选项 4 是数字个数不是位数;D 选项 8 位...
digits, How many digits are there in the numeral for one million( ). A. one millionB. tenC. sevenD. six相关知识点: 试题来源: 解析 C The numeral for one million is 1000000, This numeral has sever digits. 1990 有四位数,一百万有( )位数. A. 一百万 B.十 C.七 D.六 一百万是100000...
So if we want to calculate the number of digits in the binary representation of a n, it should be floor(log2(n))+1. Using this, I calculate the length of the binary representation of a number for a long time. But today I encountered some counterexample of this. I solved the problem...
结果一 题目 How many digits are in the product 45⋅510?( ).A.8B.9C.10D.11E.12 答案 D45⋅510所得之积共有几位?45⋅510=210⋅510=1010.1后面跟了10个0,也就是一个11位数.故选D.相关推荐 1How many digits are in the product 45⋅510?( ).A.8B.9C.10D.11E.12 ...
百度试题 结果1 题目How many 3 digits numbers have exactly one digit 5 in them?ji 相关知识点: 试题来源: 解析 既然是3位数字,那么考虑区间就是100-999情况1,有一个5:9*9=81个情况2,有两个5:9+9=18个情况3,有三个5:1个总共:100个 ...
解析 A Since 25×1052=32×1052 and 1052 has 53 digits (a“1”followed by 52“0s”), the product has 54 digits. 在十进制表示中,2的5次方与10的52次方的乘积有多少位( ). A.54 B.55 C.56 D.57 25×1052=32×1052. 故选A.
Mean value, Significant digits, Rules-of-thumbObjective A computer program tells me that a mean value is 12.3456789012, but how many of these digits are significant (the rest being random junk)? Should I report: 12.3?, 12.3456?, or even 10 (if......
根据 On Aug 16,Swiss research said they broke a new record.Using a supercomputer,they calculated (计算) pi to 62.8 trillion(万亿) digits.8月16日,瑞士研究机构表示,他们打破了一项新纪录。他们用一台超级计算机计算出圆周率到了62.8万亿位。可知,圆周率被进一步计算到更多的数字,这是轰动当时的新闻。故选...
百度试题 题目How many digits are there in the American phone number?相关知识点: 试题来源: 解析 10
How many 4-digit numbers can be made by using the digits from 1to9 if no digit is repeated in each number? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 翻译:用1到9可以组成多少个各位数字不重复的四位数.是9个里面取4个的全排列= 9 * 8 * 7 * 6 = 3024 解析看...