9. Identification Tags How many different 3-digit identification tags can be made if the digits can be used more than once? If the first digit must be a 5 and repetitions are not permitted? 1000; 72 10. Secret Code Word How many 4-letter code words can be made using the letters in the word pencil if repetitions are permitted? If repetitions are not permitted? 1296; 360

Q: Standard automobile license plates in a country display 2 numbers, followed by 3 letters, followed…

A: we know thatno.of letters (A to Z)=26no.of digits(0 to 1)=10

Q: A thief steals an ATM card and must randomly guess the correct four-digit pin code from a 6-key…

A: It is given that the number of keys in keypad is 6.

Q: 8. How many numbers between 1 and 200 are divisible by 2 or 5?

A: The given problem is to find the how many numbers between 1 and 200 are divisible by 2 or 5.

Q: How many 4-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, if repetition of digits…

A: In this question, concept of combination is applied. Combination A combination is a mathematical…

Q: 21. Bank checks. Determine the check digits for the following bank codes: 0 25 7 1 1 0 8 .

A: The given code is: 0 2 5 7 1 1 0 8 _

Q: Dawson decides to make 3 - letter codes from the letters (M. A. THIS.F .U.N) with no letter…

A: The given letter is MATHISFUNThe number of letters in the given combination = 9Number of vowels in…

Q: 3. My parents just started their digital music collection. If they have put cd's by 4 different…

A: 3) Given, Parents have put cd's by 4 different groups on their mp3 player. We have to find how many…

Q: How many different three digit numbers can be formed using the digits 9,6,7,8,5 and 4 with…

A: Given digits, 9, 6,7,8,5 and 4 Total numbers of given digits = 6

Q: Let (X, Y) denote a uniformly chosen point in the unit square [0, 1]²= {(x, y): 0 < x, y ≤ 1}. 1.…

A:

Q: Three-digit numbers are formed from the digits 0,1,6,7,8 and 9 if no repitition is allowed a. how…

A: given digits  0 1 6 7 8 and 9  i.e., a total of 6 digits are given and repetition of digits is not…

Q: How many different five-digit numbers can be formed from the digits 1, 2, 3, 4, 5 where: No…

A: Here we have to find no of ways to find different five digit numbers.

Q: How many 5 digit even numbers can be formed from the digits 1, 2, 3, 4, 5 if no repetition is…

A:

Q: How many 3-digit numbers can be formed from the digits 2, 3, 4, 6, 7 without repetitions? b. How…

A: The 3-digit numbers that can be formed from the digits 2, 3, 4, 6, 7 without repetitions are: 234,…

Q: *********** How many three-letter code words can be constructed from the first ten letters of the…

A:

Q: How many different ways can the letters of "jogging" be arranged? The number of different ways that…

A: The word “jogging” contains a total of 7 letters in which “g” letter is repeated 3 times.

Q: How many ways ways can you arrange the letters in the word math? O 24 O 12 48 O 36

A:

Q: How many different numbers with nonrepeating digits from 4000 to 6000 can be produced using the…

A: The problem can be solved using the concept of permutation and combination.

Q: How many plates are possible each plate consists of three letters followed by three digits excluding…

A:

Q: 3. Two-digit numbers are formed, with replacement, from the digits 0-9. a. How many two-digit…

A: Answer - Two -digit number are formed , with replacement, from the digits 0-9.

Q: A 4-Letter code to be formed using all the letters of the word HISTORY How many of these different…

A: No.of letters in the word " HISTORY " is 7

Q: HELP WITH COMPLETE SOLUTION PLEASEEE! PERMUTATION  A.Five different books are on a shelf. In how…

A: GivenA.No.of books(n)=5

Q: How many 4 letter words can be created using the letters in the word COMPLICATED?

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: To use an automated teller machine at a certain bank, you must enter a 4-digit code, using the…

A: Total available numbers = 9 To make 4 digit code

Q: 23 Find the number of permutations of all the letters of the word NOTEPAD if: a) the letters can be…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: To sign-in an account, suppose 0' to 9' numbers and 'A' to 'Z' alphabets with upper case and lower…

A: Total no. of numbers=10 Total no. of alphabets=52 (26 Upper case and 26 lower cases) No. of…

Q: The digits 1, 2, 3 and 4 can be arranged to form different four-digit codes. a. Find the number of…

A:

Q: Find the total number of different permutation of the letter of the word VACCINATION(show solution)

A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…

Q: what is the pattern for 44,22,20,10,8 ___ and what comes next

A: 44,22,20,10,8,_

Q: How many different 5-letter arrangements can be formed the word APPLE?

A: The APPLE  word conatins 5 letters , 1A,2P,1L and 1E. we have to find number of arrangements, we…