Number of 7 digit telephone numbers that can be formed from the digits 0 , 1 , 2 , ,………..9 , if each telephone number begins with digit 5 is
The smallest number of seven digits is:[a] 10,00,000[b] 1 + greatest six-digit number[c] either A or B.[d] None of these. Ans: Hint: The largest number of n digits is 9999…9 (n times) and the smallest number of n-digits = 10….0(n-1 ti...
This four-digit number (▱ 23▱ ) can be divisible by 15, find out all the possible numbers of this four-digit number. (2) This six-digit number (▱ 2014▱ ) can be divisible by 45, the sum of all six-digits that meet the conditions is .相关...
【题目】Hav e you ever counted th e number of digit s (数字) in your mobil e phon e number? Your n umber has 11 digits. You may sometimes find it hard to remember your number. T hat's beca us e Chin a has th e longest mobil e phon e numb ers in th e worl d. Why is ...
There are 14 multiples of 7 less than 100. These numbers include the following: Multiples of 7 up to 200 There are 28 multiples of 7 less than 200. These numbers include the following: How do you find multiples of 7? Multiples of 7 by skip counting ...
Use a zero to round the number to the nearest single digit. Tenths Type=ROUND(A1,1)which equals823.8 Use a positive number here to round the number to the number of decimal points you specify. The same thing applies to the next two formulas that round to hundredths and thou...
复数:numbers; 第三人称单数:numbers; 过去式:numbered; 过去分词:numbered; 现在分词:numbering; 实用场景例句 全部 数字 数量 号码 编号 标号 总计 Think of anumberand multiply it by two. 想出一个数,然后乘以二。 牛津词典 a high/lownumber
A four-digit number (abcd) where none of the digits are zero (The numbers can be repeated).If (ab)<20,(bc)<21,(cd)<22,we call this four digit number a“good number”.How many good numbers are there in total?一个各位数字都不是0的四位数(abcd)(数字可重复),如果满足(ab)<20,(bc...
1A 4-digit number has a remainder of 6 when divided 7, has a remainder of 7 when divided by 8, has a remainder of 8 when divided by 9. How many such possible four-digit numbers are there?一个四位数除以7余6,除以8余7,除以9余8.这样的四位数有多少个? 2【题目】 A four-digit number...
To find the number of 6-digit numbers that can be formed using the digit 2 two times and the digit 5 four times, we can follow these steps:Step 1: Identify the total number of digits We have a total of 6 digits, which consists