How many numbers in the range 1000 - 9999 have a repeated digits?

Q: The local​ seven-digit telephone numbers in city A have 480 as the first three digits. How many…

A: Given, the local seven-digit telephone numbers in city A have 480 as the first three digits. There…

Q: How many three-digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5, and 6 if each digit can…

A: From the given data, the digits that are used for the formation of numbers are : 0,1,2,3,4,5 & 6

Q: How many different 5-digit even numbers can be formed from 0, 1, 3, 4, 5, 7, and 9 if repetitions…

A: The digits used to form the 5-digit even numbers is 0, 1, 3, 4, 5, 7, and 9.

Q: It is desired to write a 3-digit number using the numbers 2, 3, 4, 5, 6, 7, 8. If each number is…

A: Given data: The total numbers are n=7. Case-1 The total 3 digits numbers that can be formed from the…

Q: How many different five-digit numbers can be written using the digits 0, 3, 3, 5, 5 ?

A: we will see in next step

Q: How many 6-character license plates are possible if the first character must be a letter that is not…

A:

Q: How many 10-digit telephone numbers (area code + number) are possible if the first digit cannot be…

A: It is given that the first three digits cannot be 800 or 900 or all the numbers from 000 to 099.…

Q: How many 3 digit even numbers can be created if repetition of digits is allowed

A:

Q: How many six-digit even numbers are possible if the leftmost digit cannot be​ zero?

A: From the given information,Sample space = {0,1,2,3,4,5,6,7,8,9}It has been given that the leftmost…

Q: The local​ seven-digit telephone numbers in city A have 334 as the first three digits. How many…

A:

Q: How many 4 digit numbers can be formed from the digits 0, 1, 2, 3, 4, 5, and 6 if each digit can be…

A: The given digits are 0, 1, 2, 3, 4, 5, 6 4-digit numbers are formed using these numbers.

Q: How many 6 digit telephone numbers can be formed if each number starts with 35 and no digit appears…

A:

Q: How many four-digit numbers can be formed from the digits 0, 1, 2, 3, 4, and 5 if each digit can be…

A: given digits;  0, 1, 2, 3, 4, and 5 total number of digits = 6 number of four-digits numbers can be…

Q: How many four-digit even numbers can you form from the digits 1, 2, 3 and 4?

A: We have to find the number of four-digit even numbers formed from the digits 1, 2, 3 and 4. Then we…

Q: How many five​-digit even numbers are possible if the leftmost digit cannot be​ zero?

A: To count the number of 5 digit integers satisfying the given conditions

Q: How many 5-digit numbers can you make using the digits 0-9 without repeating the digits? *

A:

Q: How many​ 10-digit telephone numbers​ (area code+​number) are possible if the first digit cannot be​…

A:

Q: How many 7 digit numbers can be formed using the numbers 0-9 if the first and 5th digit can only be…

A:

Q: How many EVEN 5-digit numbers can be made from the digits 2, 4, 5, 6, 7, 8, and 9?

A: Fundamental Counting Principle The Fundamental Counting Principle is a method used to determine the…

Q: How many 3-digit numbers can be formed that are greater than 5 hundred and whose last digit is…

A: Given conditions: 3-digit number greater than 500 Last digit is a 3 or 9

Q: How many digits should be removed from a 1000-digit number 2008... 2008 such that the sum of…

A:

Q: How many numbers consisting of 5 digits can be made from 1,2,3,4,5,6,7,8,9?

A: How many numbers consisting of 5 digits can be made from 1,2,3,4,5,6,7,8,9?

Q: How many 4-digit numbers can you make using the digits 1-9 without repeating the digits? *

A: We will solve the problem.

Q: How many different seven-digit telephone numbers can be formed if the first digit cannot be zero?

A:

Q: How many numbers between 1 and 1000 are divisible by 12 or 15, or both 12 and 15?

A: We need to find how many numbers between 1 and 1000 are divisible by 12 or 15, or both 12 and 15. To…

Q: How many 5 digit numbers can be formed if each one uses all the digits 0,1,2,3,4 without repetition?

A: We have 5 digits 0,1,2,3,4

Q: How many 5-digit numbers can be created such that no digit is repeated?

A: We need to create 5 digit number  Total digit = 10 ( 0 - 9) 0 cannot be the first digit  1st digit =…

Q: How many odd 4-digit numbers greater than 3000 can be formed from the digits 1, 5, 6, 7, 8 if no…

A:

Q: How many different 3-digit numbers are possible using only the digits 2,3,5,6 ?

A:

Q: How many six digit numbers can be formed with no repetitions?

A: We can use all the 6 digits without repetition A 6 digit number cannot have  0 in the first place.…

Q: How many four-digit odd numbers less than 7000 can be formed using the digits 2, 3, 5, 7, 8, and 9?

A: To determine four digits odd number less than 7000

Q: How many seven-digit numbers can be made from the digits 1 to 9 if repetition is allowed?

A: Given that  To find the number of ways of 7 digit number can be made from the 1 to 9

Q: in a decimal square with 100 equal parts, how many full parts are shaded to represent the first two…

A:

Q: How many four-digit even numbers are possible if the leftmost digit cannot be zero? Repetition is…

A: The question is to find how many 4 digits even numbers are possible if the left most digit cannot be…

Q: How many odd 4-digit numbers greater than 3000 can be formed from the digits 1, 5, 6, 7, 8

A: here odd numbers are those ends with 1,5,7 (from given digits)

Q: How many even three digits numbers can be found from the digits 3,2,5,6 and 9 if each digits can be…

A: Given, s={3,2,5,6,9}

Q: It is desired to write a 3-digit number using the numbers 2, 3, 4, 5, 6, 7, 8. If each number is…

A: If the 3 digited number is greater than 300, then it will start with the numbers 3, 4, 5, 6, 7, 8.…

Q: How many four-digit even numbers are possible if the leftmost digit cannot be​ zero?

A: The question is to find how many 4 digits even numbers are possible if the left most digit cannot be…

Q: Among all the numbers between 20000 and 70000, including the numbers 20000 and 70000, how many each…

A: The total number of numbers between 20,000 and 70,000 is 70,000−20,000+1=50,001. First calculate the…

Q: How many even numbers in the range 1000 - 9999 have no repeated digits?

A: Here use combination for given problems

Q: How many even 4 digit numbers can be formed from the digits 1, 7, 2, 4, 6, 9, 3, and 0 if the…

A:

Q: How many three-digit odd numbers are possible if the leftmost digit cannot be zero?

A:

Q: How many 7-digit numbers can be formed if repetitions are not allowed and the last number cannot be…

A: We have to find 7-digit numbers that can be formed if repetitions are not allowed and the last…

Q: How many 4-digit numbers are there that are divisible by 10 and the sum of whose digits is 10?

A:

Q: How many four-digit numbers can be made from the digits 1 to 6 if repetition is allowed?

A: Number of four digit can be made from digits  1 to 6 :

Q: How many three-digit numbers can be formed if only odd numbers are allowed to be re-used?

A: To find three-digit number that can be formed if only odd numbers are allowed to be re-used. Odd…

Q: How many 3-digit multiples of 5 can you form using the digits and 9 without repetition?

A: Please see the below picture for detailed solution.